Finding the Fourth Proportional to 52,395.89, 72,304.04 and 28,522.64

Step by Step Solution

1. Step 1: Write the proportion equation
   52,395.89 : 72,304.04 = 28,522.64 : x
2. Step 2: Convert to fraction form
   52,395.89/72,304.04 = 28,522.64/x
3. Step 3: Cross multiply
   52,395.89x = 72,304.04 × 28,522.64
4. Step 4: Simplify right side
   52,395.89x = 2,062,301,599.33
5. Step 5: Solve for x
   x = 2,062,301,599.33/52,395.89
6. Step 6: Final answer
   x = 39,359.99