Finding the Fourth Proportional to 52,057.32, 71,771.97 and 42,487.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,057.32 : 71,771.97 = 42,487.37 : x
2. Step 2: Convert to fraction form
   52,057.32/71,771.97 = 42,487.37/x
3. Step 3: Cross multiply
   52,057.32x = 71,771.97 × 42,487.37
4. Step 4: Simplify right side
   52,057.32x = 3,049,402,314.63
5. Step 5: Solve for x
   x = 3,049,402,314.63/52,057.32
6. Step 6: Final answer
   x = 58,577.79