Finding the Fourth Proportional to 111,128.42, 153,355.67 and 63,382.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.42 : 153,355.67 = 63,382.56 : x
2. Step 2: Convert to fraction form
   111,128.42/153,355.67 = 63,382.56/x
3. Step 3: Cross multiply
   111,128.42x = 153,355.67 × 63,382.56
4. Step 4: Simplify right side
   111,128.42x = 9,720,074,638.20
5. Step 5: Solve for x
   x = 9,720,074,638.20/111,128.42
6. Step 6: Final answer
   x = 87,467.05