Finding the Fourth Proportional to 116,996,492.94, 161,455,060.71 and 64,785,527.70

Step by Step Solution

1. Step 1: Write the proportion equation
   116,996,492.94 : 161,455,060.71 = 64,785,527.70 : x
2. Step 2: Convert to fraction form
   116,996,492.94/161,455,060.71 = 64,785,527.70/x
3. Step 3: Cross multiply
   116,996,492.94x = 161,455,060.71 × 64,785,527.70
4. Step 4: Simplify right side
   116,996,492.94x = 10,459,951,307,932,888
5. Step 5: Solve for x
   x = 10,459,951,307,932,888/116,996,492.94
6. Step 6: Final answer
   x = 89,403,973.10