Finding the Fourth Proportional to 116,959,031.15, 161,397,068.59 and 64,025,498.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,959,031.15 : 161,397,068.59 = 64,025,498.75 : x
2. Step 2: Convert to fraction form
   116,959,031.15/161,397,068.59 = 64,025,498.75/x
3. Step 3: Cross multiply
   116,959,031.15x = 161,397,068.59 × 64,025,498.75
4. Step 4: Simplify right side
   116,959,031.15x = 10,333,527,813,826,266
5. Step 5: Solve for x
   x = 10,333,527,813,826,266/116,959,031.15
6. Step 6: Final answer
   x = 88,351,687.87