Finding the Fourth Proportional to 52,734.74, 72,773.91 and 28,861.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,734.74 : 72,773.91 = 28,861.47 : x
2. Step 2: Convert to fraction form
   52,734.74/72,773.91 = 28,861.47/x
3. Step 3: Cross multiply
   52,734.74x = 72,773.91 × 28,861.47
4. Step 4: Simplify right side
   52,734.74x = 2,100,362,020.25
5. Step 5: Solve for x
   x = 2,100,362,020.25/52,734.74
6. Step 6: Final answer
   x = 39,828.82