Finding the Fourth Proportional to 52,460.52, 72,395.52 and 28,587.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,460.52 : 72,395.52 = 28,587.20 : x
2. Step 2: Convert to fraction form
   52,460.52/72,395.52 = 28,587.20/x
3. Step 3: Cross multiply
   52,460.52x = 72,395.52 × 28,587.20
4. Step 4: Simplify right side
   52,460.52x = 2,069,585,209.34
5. Step 5: Solve for x
   x = 2,069,585,209.34/52,460.52
6. Step 6: Final answer
   x = 39,450.34