Finding the Fourth Proportional to 137,025, 205,482.96 and 52,738.20

Step by Step Solution

1. Step 1: Write the proportion equation
   137,025 : 205,482.96 = 52,738.20 : x
2. Step 2: Convert to fraction form
   137,025/205,482.96 = 52,738.20/x
3. Step 3: Cross multiply
   137,025x = 205,482.96 × 52,738.20
4. Step 4: Simplify right side
   137,025x = 10,836,801,441.07
5. Step 5: Solve for x
   x = 10,836,801,441.07/137,025
6. Step 6: Final answer
   x = 79,086.31