Finding the Fourth Proportional to 52,623.86, 72,621.57 and 28,750.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,623.86 : 72,621.57 = 28,750.82 : x
2. Step 2: Convert to fraction form
   52,623.86/72,621.57 = 28,750.82/x
3. Step 3: Cross multiply
   52,623.86x = 72,621.57 × 28,750.82
4. Step 4: Simplify right side
   52,623.86x = 2,087,929,687.19
5. Step 5: Solve for x
   x = 2,087,929,687.19/52,623.86
6. Step 6: Final answer
   x = 39,676.48