Finding the Fourth Proportional to 52,607.86, 72,597.69 and 28,734.61

Step by Step Solution

1. Step 1: Write the proportion equation
   52,607.86 : 72,597.69 = 28,734.61 : x
2. Step 2: Convert to fraction form
   52,607.86/72,597.69 = 28,734.61/x
3. Step 3: Cross multiply
   52,607.86x = 72,597.69 × 28,734.61
4. Step 4: Simplify right side
   52,607.86x = 2,086,066,309.05
5. Step 5: Solve for x
   x = 2,086,066,309.05/52,607.86
6. Step 6: Final answer
   x = 39,653.13