Finding the Fourth Proportional to 52,600.86, 72,588.69 and 28,727.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,600.86 : 72,588.69 = 28,727.46 : x
2. Step 2: Convert to fraction form
   52,600.86/72,588.69 = 28,727.46/x
3. Step 3: Cross multiply
   52,600.86x = 72,588.69 × 28,727.46
4. Step 4: Simplify right side
   52,600.86x = 2,085,288,688.43
5. Step 5: Solve for x
   x = 2,085,288,688.43/52,600.86
6. Step 6: Final answer
   x = 39,643.62