Finding the Fourth Proportional to 52,456.57, 78,708.12 and 27,490.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,456.57 : 78,708.12 = 27,490.69 : x
2. Step 2: Convert to fraction form
   52,456.57/78,708.12 = 27,490.69/x
3. Step 3: Cross multiply
   52,456.57x = 78,708.12 × 27,490.69
4. Step 4: Simplify right side
   52,456.57x = 2,163,740,527.40
5. Step 5: Solve for x
   x = 2,163,740,527.40/52,456.57
6. Step 6: Final answer
   x = 41,248.23