Finding the Fourth Proportional to 52,799.87, 72,865.83 and 30,142.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,799.87 : 72,865.83 = 30,142.55 : x
2. Step 2: Convert to fraction form
   52,799.87/72,865.83 = 30,142.55/x
3. Step 3: Cross multiply
   52,799.87x = 72,865.83 × 30,142.55
4. Step 4: Simplify right side
   52,799.87x = 2,196,361,559.74
5. Step 5: Solve for x
   x = 2,196,361,559.74/52,799.87
6. Step 6: Final answer
   x = 41,597.86