Finding the Fourth Proportional to 116,959,032.15, 161,397,069.97 and 64,025,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,959,032.15 : 161,397,069.97 = 64,025,499.75 : x
2. Step 2: Convert to fraction form
   116,959,032.15/161,397,069.97 = 64,025,499.75/x
3. Step 3: Cross multiply
   116,959,032.15x = 161,397,069.97 × 64,025,499.75
4. Step 4: Simplify right side
   116,959,032.15x = 10,333,528,063,014,968
5. Step 5: Solve for x
   x = 10,333,528,063,014,968/116,959,032.15
6. Step 6: Final answer
   x = 88,351,689.25