Finding the Fourth Proportional to 108,265.56, 149,406.42 and 63,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,265.56 : 149,406.42 = 63,553.56 : x
2. Step 2: Convert to fraction form
   108,265.56/149,406.42 = 63,553.56/x
3. Step 3: Cross multiply
   108,265.56x = 149,406.42 × 63,553.56
4. Step 4: Simplify right side
   108,265.56x = 9,495,309,877.86
5. Step 5: Solve for x
   x = 9,495,309,877.86/108,265.56
6. Step 6: Final answer
   x = 87,703.88