Finding the Fourth Proportional to 111,375.25, 153,697.20 and 60,387.47

Step by Step Solution

1. Step 1: Write the proportion equation
   111,375.25 : 153,697.20 = 60,387.47 : x
2. Step 2: Convert to fraction form
   111,375.25/153,697.20 = 60,387.47/x
3. Step 3: Cross multiply
   111,375.25x = 153,697.20 × 60,387.47
4. Step 4: Simplify right side
   111,375.25x = 9,281,385,500.06
5. Step 5: Solve for x
   x = 9,281,385,500.06/111,375.25
6. Step 6: Final answer
   x = 83,334.36