Finding the Fourth Proportional to 52,271.43, 72,085.40 and 40,315.83

Step by Step Solution

1. Step 1: Write the proportion equation
   52,271.43 : 72,085.40 = 40,315.83 : x
2. Step 2: Convert to fraction form
   52,271.43/72,085.40 = 40,315.83/x
3. Step 3: Cross multiply
   52,271.43x = 72,085.40 × 40,315.83
4. Step 4: Simplify right side
   52,271.43x = 2,906,182,530.30
5. Step 5: Solve for x
   x = 2,906,182,530.30/52,271.43
6. Step 6: Final answer
   x = 55,597.92