Finding the Fourth Proportional to 111,397.49, 153,729.72 and 60,410.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,397.49 : 153,729.72 = 60,410.32 : x
2. Step 2: Convert to fraction form
   111,397.49/153,729.72 = 60,410.32/x
3. Step 3: Cross multiply
   111,397.49x = 153,729.72 × 60,410.32
4. Step 4: Simplify right side
   111,397.49x = 9,286,861,578.71
5. Step 5: Solve for x
   x = 9,286,861,578.71/111,397.49
6. Step 6: Final answer
   x = 83,366.88