Finding the Fourth Proportional to 8,500.32, 12,726.72 and 4,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,500.32 : 12,726.72 = 4,590.72 : x
2. Step 2: Convert to fraction form
   8,500.32/12,726.72 = 4,590.72/x
3. Step 3: Cross multiply
   8,500.32x = 12,726.72 × 4,590.72
4. Step 4: Simplify right side
   8,500.32x = 58,424,808.04
5. Step 5: Solve for x
   x = 58,424,808.04/8,500.32
6. Step 6: Final answer
   x = 6,873.25