Finding the Fourth Proportional to 56,842,080,852.56, 78,438,963,916.33 and 31,116,384,106.16

Step by Step Solution

1. Step 1: Write the proportion equation
   56,842,080,852.56 : 78,438,963,916.33 = 31,116,384,106.16 : x
2. Step 2: Convert to fraction form
   56,842,080,852.56/78,438,963,916.33 = 31,116,384,106.16/x
3. Step 3: Cross multiply
   56,842,080,852.56x = 78,438,963,916.33 × 31,116,384,106.16
4. Step 4: Simplify right side
   56,842,080,852.56x = 2,440,736,930,109,262,921,728
5. Step 5: Solve for x
   x = 2,440,736,930,109,262,921,728/56,842,080,852.56
6. Step 6: Final answer
   x = 42,938,908,877.04