Finding the Fourth Proportional to 111,112.62, 153,331.56 and 63,381.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,112.62 : 153,331.56 = 63,381.30 : x
2. Step 2: Convert to fraction form
   111,112.62/153,331.56 = 63,381.30/x
3. Step 3: Cross multiply
   111,112.62x = 153,331.56 × 63,381.30
4. Step 4: Simplify right side
   111,112.62x = 9,718,353,603.83
5. Step 5: Solve for x
   x = 9,718,353,603.83/111,112.62
6. Step 6: Final answer
   x = 87,463.99