Finding the Fourth Proportional to 52,480.86, 72,423.12 and 28,607.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.86 : 72,423.12 = 28,607.52 : x
2. Step 2: Convert to fraction form
   52,480.86/72,423.12 = 28,607.52/x
3. Step 3: Cross multiply
   52,480.86x = 72,423.12 × 28,607.52
4. Step 4: Simplify right side
   52,480.86x = 2,071,845,853.86
5. Step 5: Solve for x
   x = 2,071,845,853.86/52,480.86
6. Step 6: Final answer
   x = 39,478.12