Finding the Fourth Proportional to 52,540.98, 72,506.52 and 28,667.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,540.98 : 72,506.52 = 28,667.04 : x
2. Step 2: Convert to fraction form
   52,540.98/72,506.52 = 28,667.04/x
3. Step 3: Cross multiply
   52,540.98x = 72,506.52 × 28,667.04
4. Step 4: Simplify right side
   52,540.98x = 2,078,547,309.10
5. Step 5: Solve for x
   x = 2,078,547,309.10/52,540.98
6. Step 6: Final answer
   x = 39,560.50