Finding the Fourth Proportional to 80,901.56, 111,592.04 and 53,677.05

Step by Step Solution

1. Step 1: Write the proportion equation
   80,901.56 : 111,592.04 = 53,677.05 : x
2. Step 2: Convert to fraction form
   80,901.56/111,592.04 = 53,677.05/x
3. Step 3: Cross multiply
   80,901.56x = 111,592.04 × 53,677.05
4. Step 4: Simplify right side
   80,901.56x = 5,989,931,242.30
5. Step 5: Solve for x
   x = 5,989,931,242.30/80,901.56
6. Step 6: Final answer
   x = 74,039.75