Finding the Fourth Proportional to 111,132.18, 153,360.83 and 63,386.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,132.18 : 153,360.83 = 63,386.33 : x
2. Step 2: Convert to fraction form
   111,132.18/153,360.83 = 63,386.33/x
3. Step 3: Cross multiply
   111,132.18x = 153,360.83 × 63,386.33
4. Step 4: Simplify right side
   111,132.18x = 9,720,979,571.12
5. Step 5: Solve for x
   x = 9,720,979,571.12/111,132.18
6. Step 6: Final answer
   x = 87,472.23