Finding the Fourth Proportional to 109,111.55, 150,551.36 and 63,780.77

Step by Step Solution

1. Step 1: Write the proportion equation
   109,111.55 : 150,551.36 = 63,780.77 : x
2. Step 2: Convert to fraction form
   109,111.55/150,551.36 = 63,780.77/x
3. Step 3: Cross multiply
   109,111.55x = 150,551.36 × 63,780.77
4. Step 4: Simplify right side
   109,111.55x = 9,602,280,593.69
5. Step 5: Solve for x
   x = 9,602,280,593.69/109,111.55
6. Step 6: Final answer
   x = 88,004.26