Finding the Fourth Proportional to 83,818.88, 115,694.56 and 49,851.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,818.88 : 115,694.56 = 49,851.28 : x
2. Step 2: Convert to fraction form
   83,818.88/115,694.56 = 49,851.28/x
3. Step 3: Cross multiply
   83,818.88x = 115,694.56 × 49,851.28
4. Step 4: Simplify right side
   83,818.88x = 5,767,521,905.04
5. Step 5: Solve for x
   x = 5,767,521,905.04/83,818.88
6. Step 6: Final answer
   x = 68,809.34