Finding the Fourth Proportional to 111,472.61, 153,829.71 and 60,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,472.61 : 153,829.71 = 60,485.42 : x
2. Step 2: Convert to fraction form
   111,472.61/153,829.71 = 60,485.42/x
3. Step 3: Cross multiply
   111,472.61x = 153,829.71 × 60,485.42
4. Step 4: Simplify right side
   111,472.61x = 9,304,453,848.68
5. Step 5: Solve for x
   x = 9,304,453,848.68/111,472.61
6. Step 6: Final answer
   x = 83,468.52