Finding the Fourth Proportional to 111,411.63, 153,747.35 and 60,425.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411.63 : 153,747.35 = 60,425.57 : x
2. Step 2: Convert to fraction form
   111,411.63/153,747.35 = 60,425.57/x
3. Step 3: Cross multiply
   111,411.63x = 153,747.35 × 60,425.57
4. Step 4: Simplify right side
   111,411.63x = 9,290,271,568.58
5. Step 5: Solve for x
   x = 9,290,271,568.58/111,411.63
6. Step 6: Final answer
   x = 83,386.91