Finding the Fourth Proportional to 52,176.02, 72,002.54 and 28,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,176.02 : 72,002.54 = 28,302.72 : x
2. Step 2: Convert to fraction form
   52,176.02/72,002.54 = 28,302.72/x
3. Step 3: Cross multiply
   52,176.02x = 72,002.54 × 28,302.72
4. Step 4: Simplify right side
   52,176.02x = 2,037,867,587.40
5. Step 5: Solve for x
   x = 2,037,867,587.40/52,176.02
6. Step 6: Final answer
   x = 39,057.56