Finding the Fourth Proportional to 93,374,275.05, 128,867,428.83 and 77,665,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   93,374,275.05 : 128,867,428.83 = 77,665,585.31 : x
2. Step 2: Convert to fraction form
   93,374,275.05/128,867,428.83 = 77,665,585.31/x
3. Step 3: Cross multiply
   93,374,275.05x = 128,867,428.83 × 77,665,585.31
4. Step 4: Simplify right side
   93,374,275.05x = 10,008,564,287,169,622
5. Step 5: Solve for x
   x = 10,008,564,287,169,622/93,374,275.05
6. Step 6: Final answer
   x = 107,187,598.32