Finding the Fourth Proportional to 108,915.16, 150,333.96 and 63,603.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,915.16 : 150,333.96 = 63,603.76 : x
2. Step 2: Convert to fraction form
   108,915.16/150,333.96 = 63,603.76/x
3. Step 3: Cross multiply
   108,915.16x = 150,333.96 × 63,603.76
4. Step 4: Simplify right side
   108,915.16x = 9,561,805,111.69
5. Step 5: Solve for x
   x = 9,561,805,111.69/108,915.16
6. Step 6: Final answer
   x = 87,791.31