Finding the Fourth Proportional to 52,480.76, 72,423.06 and 28,607.36

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.76 : 72,423.06 = 28,607.36 : x
2. Step 2: Convert to fraction form
   52,480.76/72,423.06 = 28,607.36/x
3. Step 3: Cross multiply
   52,480.76x = 72,423.06 × 28,607.36
4. Step 4: Simplify right side
   52,480.76x = 2,071,832,549.72
5. Step 5: Solve for x
   x = 2,071,832,549.72/52,480.76
6. Step 6: Final answer
   x = 39,477.94