Finding the Fourth Proportional to 111,200.43, 153,456.72 and 63,469.17

Step by Step Solution

1. Step 1: Write the proportion equation
   111,200.43 : 153,456.72 = 63,469.17 : x
2. Step 2: Convert to fraction form
   111,200.43/153,456.72 = 63,469.17/x
3. Step 3: Cross multiply
   111,200.43x = 153,456.72 × 63,469.17
4. Step 4: Simplify right side
   111,200.43x = 9,739,770,649.32
5. Step 5: Solve for x
   x = 9,739,770,649.32/111,200.43
6. Step 6: Final answer
   x = 87,587.53