Finding the Fourth Proportional to 52,410.87, 72,328.55 and 28,538.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,410.87 : 72,328.55 = 28,538.55 : x
2. Step 2: Convert to fraction form
   52,410.87/72,328.55 = 28,538.55/x
3. Step 3: Cross multiply
   52,410.87x = 72,328.55 × 28,538.55
4. Step 4: Simplify right side
   52,410.87x = 2,064,151,797.91
5. Step 5: Solve for x
   x = 2,064,151,797.91/52,410.87
6. Step 6: Final answer
   x = 39,384.04