Finding the Fourth Proportional to 77,171,827.32, 115,669,681.02 and 31,084,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   77,171,827.32 : 115,669,681.02 = 31,084,196.76 : x
2. Step 2: Convert to fraction form
   77,171,827.32/115,669,681.02 = 31,084,196.76/x
3. Step 3: Cross multiply
   77,171,827.32x = 115,669,681.02 × 31,084,196.76
4. Step 4: Simplify right side
   77,171,827.32x = 3,595,499,123,992,117.50
5. Step 5: Solve for x
   x = 3,595,499,123,992,117.50/77,171,827.32
6. Step 6: Final answer
   x = 46,590,825.29