Finding the Fourth Proportional to 111,068, 153,292.46 and 87,375.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,068 : 153,292.46 = 87,375.50 : x
2. Step 2: Convert to fraction form
   111,068/153,292.46 = 87,375.50/x
3. Step 3: Cross multiply
   111,068x = 153,292.46 × 87,375.50
4. Step 4: Simplify right side
   111,068x = 13,394,005,338.73
5. Step 5: Solve for x
   x = 13,394,005,338.73/111,068
6. Step 6: Final answer
   x = 120,592.84