Finding the Fourth Proportional to 111,397.55, 153,729.36 and 60,410.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,397.55 : 153,729.36 = 60,410.52 : x
2. Step 2: Convert to fraction form
   111,397.55/153,729.36 = 60,410.52/x
3. Step 3: Cross multiply
   111,397.55x = 153,729.36 × 60,410.52
4. Step 4: Simplify right side
   111,397.55x = 9,286,870,576.87
5. Step 5: Solve for x
   x = 9,286,870,576.87/111,397.55
6. Step 6: Final answer
   x = 83,366.92