Finding the Fourth Proportional to 116,355,436.80, 160,571,589.12 and 64,146,347.04

Step by Step Solution

1. Step 1: Write the proportion equation
   116,355,436.80 : 160,571,589.12 = 64,146,347.04 : x
2. Step 2: Convert to fraction form
   116,355,436.80/160,571,589.12 = 64,146,347.04/x
3. Step 3: Cross multiply
   116,355,436.80x = 160,571,589.12 × 64,146,347.04
4. Step 4: Simplify right side
   116,355,436.80x = 10,300,080,880,455,808
5. Step 5: Solve for x
   x = 10,300,080,880,455,808/116,355,436.80
6. Step 6: Final answer
   x = 88,522,557.81