Finding the Fourth Proportional to 52,778.52, 72,835.18 and 28,904.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,778.52 : 72,835.18 = 28,904.76 : x
2. Step 2: Convert to fraction form
   52,778.52/72,835.18 = 28,904.76/x
3. Step 3: Cross multiply
   52,778.52x = 72,835.18 × 28,904.76
4. Step 4: Simplify right side
   52,778.52x = 2,105,283,397.46
5. Step 5: Solve for x
   x = 2,105,283,397.46/52,778.52
6. Step 6: Final answer
   x = 39,889.02