Finding the Fourth Proportional to 111,089.97, 153,300.37 and 63,358.70

Step by Step Solution

1. Step 1: Write the proportion equation
   111,089.97 : 153,300.37 = 63,358.70 : x
2. Step 2: Convert to fraction form
   111,089.97/153,300.37 = 63,358.70/x
3. Step 3: Cross multiply
   111,089.97x = 153,300.37 × 63,358.70
4. Step 4: Simplify right side
   111,089.97x = 9,712,912,152.72
5. Step 5: Solve for x
   x = 9,712,912,152.72/111,089.97
6. Step 6: Final answer
   x = 87,432.85