Finding the Fourth Proportional to 52,359.01, 72,256.16 and 28,485.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,359.01 : 72,256.16 = 28,485.68 : x
2. Step 2: Convert to fraction form
   52,359.01/72,256.16 = 28,485.68/x
3. Step 3: Cross multiply
   52,359.01x = 72,256.16 × 28,485.68
4. Step 4: Simplify right side
   52,359.01x = 2,058,265,561.72
5. Step 5: Solve for x
   x = 2,058,265,561.72/52,359.01
6. Step 6: Final answer
   x = 39,310.63