Finding the Fourth Proportional to 52,585.72, 72,570.01 and 28,714.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,585.72 : 72,570.01 = 28,714.21 : x
2. Step 2: Convert to fraction form
   52,585.72/72,570.01 = 28,714.21/x
3. Step 3: Cross multiply
   52,585.72x = 72,570.01 × 28,714.21
4. Step 4: Simplify right side
   52,585.72x = 2,083,790,506.84
5. Step 5: Solve for x
   x = 2,083,790,506.84/52,585.72
6. Step 6: Final answer
   x = 39,626.55