Finding the Fourth Proportional to 116,218,407.48, 160,388,655.86 and 64,007,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,218,407.48 : 160,388,655.86 = 64,007,429.30 : x
2. Step 2: Convert to fraction form
   116,218,407.48/160,388,655.86 = 64,007,429.30/x
3. Step 3: Cross multiply
   116,218,407.48x = 160,388,655.86 × 64,007,429.30
4. Step 4: Simplify right side
   116,218,407.48x = 10,266,065,550,480,982
5. Step 5: Solve for x
   x = 10,266,065,550,480,982/116,218,407.48
6. Step 6: Final answer
   x = 88,334,247.33