Finding the Fourth Proportional to 111,150.08, 153,388.80 and 60,853.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,150.08 : 153,388.80 = 60,853.76 : x
2. Step 2: Convert to fraction form
   111,150.08/153,388.80 = 60,853.76/x
3. Step 3: Cross multiply
   111,150.08x = 153,388.80 × 60,853.76
4. Step 4: Simplify right side
   111,150.08x = 9,334,285,221.89
5. Step 5: Solve for x
   x = 9,334,285,221.89/111,150.08
6. Step 6: Final answer
   x = 83,979.11