Finding the Fourth Proportional to 111,461.39, 153,817.76 and 60,474.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,461.39 : 153,817.76 = 60,474.05 : x
2. Step 2: Convert to fraction form
   111,461.39/153,817.76 = 60,474.05/x
3. Step 3: Cross multiply
   111,461.39x = 153,817.76 × 60,474.05
4. Step 4: Simplify right side
   111,461.39x = 9,301,982,606.76
5. Step 5: Solve for x
   x = 9,301,982,606.76/111,461.39
6. Step 6: Final answer
   x = 83,454.75