Finding the Fourth Proportional to 116,218,411.50, 160,388,661.36 and 64,007,433.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,218,411.50 : 160,388,661.36 = 64,007,433.30 : x
2. Step 2: Convert to fraction form
   116,218,411.50/160,388,661.36 = 64,007,433.30/x
3. Step 3: Cross multiply
   116,218,411.50x = 160,388,661.36 × 64,007,433.30
4. Step 4: Simplify right side
   116,218,411.50x = 10,266,066,544,076,488
5. Step 5: Solve for x
   x = 10,266,066,544,076,488/116,218,411.50
6. Step 6: Final answer
   x = 88,334,252.82