Finding the Fourth Proportional to 52,061.49, 71,844.84 and 28,188.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,061.49 : 71,844.84 = 28,188.18 : x
2. Step 2: Convert to fraction form
   52,061.49/71,844.84 = 28,188.18/x
3. Step 3: Cross multiply
   52,061.49x = 71,844.84 × 28,188.18
4. Step 4: Simplify right side
   52,061.49x = 2,025,175,281.99
5. Step 5: Solve for x
   x = 2,025,175,281.99/52,061.49
6. Step 6: Final answer
   x = 38,899.68