Finding the Fourth Proportional to 111,462.39, 153,819.15 and 60,475.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462.39 : 153,819.15 = 60,475.05 : x
2. Step 2: Convert to fraction form
   111,462.39/153,819.15 = 60,475.05/x
3. Step 3: Cross multiply
   111,462.39x = 153,819.15 × 60,475.05
4. Step 4: Simplify right side
   111,462.39x = 9,302,220,787.21
5. Step 5: Solve for x
   x = 9,302,220,787.21/111,462.39
6. Step 6: Final answer
   x = 83,456.14