Finding the Fourth Proportional to 52,776.27, 72,830.72 and 28,577.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,776.27 : 72,830.72 = 28,577.12 : x
2. Step 2: Convert to fraction form
   52,776.27/72,830.72 = 28,577.12/x
3. Step 3: Cross multiply
   52,776.27x = 72,830.72 × 28,577.12
4. Step 4: Simplify right side
   52,776.27x = 2,081,291,718.09
5. Step 5: Solve for x
   x = 2,081,291,718.09/52,776.27
6. Step 6: Final answer
   x = 39,436.13