Finding the Fourth Proportional to 52,086.80, 71,876.05 and 30,577.43

Step by Step Solution

1. Step 1: Write the proportion equation
   52,086.80 : 71,876.05 = 30,577.43 : x
2. Step 2: Convert to fraction form
   52,086.80/71,876.05 = 30,577.43/x
3. Step 3: Cross multiply
   52,086.80x = 71,876.05 × 30,577.43
4. Step 4: Simplify right side
   52,086.80x = 2,197,784,451.73
5. Step 5: Solve for x
   x = 2,197,784,451.73/52,086.80
6. Step 6: Final answer
   x = 42,194.66