Finding the Fourth Proportional to 52,591.92, 72,577.89 and 28,719.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,591.92 : 72,577.89 = 28,719.51 : x
2. Step 2: Convert to fraction form
   52,591.92/72,577.89 = 28,719.51/x
3. Step 3: Cross multiply
   52,591.92x = 72,577.89 × 28,719.51
4. Step 4: Simplify right side
   52,591.92x = 2,084,401,437.63
5. Step 5: Solve for x
   x = 2,084,401,437.63/52,591.92
6. Step 6: Final answer
   x = 39,633.49