Finding the Fourth Proportional to 111,049.60, 153,247.20 and 60,748

Step by Step Solution

1. Step 1: Write the proportion equation
   111,049.60 : 153,247.20 = 60,748 : x
2. Step 2: Convert to fraction form
   111,049.60/153,247.20 = 60,748/x
3. Step 3: Cross multiply
   111,049.60x = 153,247.20 × 60,748
4. Step 4: Simplify right side
   111,049.60x = 9,309,460,905.60
5. Step 5: Solve for x
   x = 9,309,460,905.60/111,049.60
6. Step 6: Final answer
   x = 83,831.56