Finding the Fourth Proportional to 111,063,354.88, 153,159,755.52 and 86,608,145.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,063,354.88 : 153,159,755.52 = 86,608,145.92 : x
2. Step 2: Convert to fraction form
   111,063,354.88/153,159,755.52 = 86,608,145.92/x
3. Step 3: Cross multiply
   111,063,354.88x = 153,159,755.52 × 86,608,145.92
4. Step 4: Simplify right side
   111,063,354.88x = 13,264,882,455,147,686
5. Step 5: Solve for x
   x = 13,264,882,455,147,686/111,063,354.88
6. Step 6: Final answer
   x = 119,435,276.10