Finding the Fourth Proportional to 52,329.02, 72,215.41 and 28,457.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,329.02 : 72,215.41 = 28,457.10 : x
2. Step 2: Convert to fraction form
   52,329.02/72,215.41 = 28,457.10/x
3. Step 3: Cross multiply
   52,329.02x = 72,215.41 × 28,457.10
4. Step 4: Simplify right side
   52,329.02x = 2,055,041,143.91
5. Step 5: Solve for x
   x = 2,055,041,143.91/52,329.02
6. Step 6: Final answer
   x = 39,271.54