Finding the Fourth Proportional to 52,460.71, 72,395.78 and 28,587.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,460.71 : 72,395.78 = 28,587.38 : x
2. Step 2: Convert to fraction form
   52,460.71/72,395.78 = 28,587.38/x
3. Step 3: Cross multiply
   52,460.71x = 72,395.78 × 28,587.38
4. Step 4: Simplify right side
   52,460.71x = 2,069,605,563.74
5. Step 5: Solve for x
   x = 2,069,605,563.74/52,460.71
6. Step 6: Final answer
   x = 39,450.58