Finding the Fourth Proportional to 52,633.89, 72,633.15 and 28,760.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,633.89 : 72,633.15 = 28,760.54 : x
2. Step 2: Convert to fraction form
   52,633.89/72,633.15 = 28,760.54/x
3. Step 3: Cross multiply
   52,633.89x = 72,633.15 × 28,760.54
4. Step 4: Simplify right side
   52,633.89x = 2,088,968,252.74
5. Step 5: Solve for x
   x = 2,088,968,252.74/52,633.89
6. Step 6: Final answer
   x = 39,688.65