Finding the Fourth Proportional to 111,445.56, 153,793.56 and 60,457.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,445.56 : 153,793.56 = 60,457.32 : x
2. Step 2: Convert to fraction form
   111,445.56/153,793.56 = 60,457.32/x
3. Step 3: Cross multiply
   111,445.56x = 153,793.56 × 60,457.32
4. Step 4: Simplify right side
   111,445.56x = 9,297,946,470.86
5. Step 5: Solve for x
   x = 9,297,946,470.86/111,445.56
6. Step 6: Final answer
   x = 83,430.39