Finding the Fourth Proportional to 111,128.23, 153,355.41 and 63,382.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.23 : 153,355.41 = 63,382.38 : x
2. Step 2: Convert to fraction form
   111,128.23/153,355.41 = 63,382.38/x
3. Step 3: Cross multiply
   111,128.23x = 153,355.41 × 63,382.38
4. Step 4: Simplify right side
   111,128.23x = 9,720,030,296.59
5. Step 5: Solve for x
   x = 9,720,030,296.59/111,128.23
6. Step 6: Final answer
   x = 87,466.80