Finding the Fourth Proportional to 12,281.72, 18,417.48 and 7,594.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281.72 : 18,417.48 = 7,594.86 : x
2. Step 2: Convert to fraction form
   12,281.72/18,417.48 = 7,594.86/x
3. Step 3: Cross multiply
   12,281.72x = 18,417.48 × 7,594.86
4. Step 4: Simplify right side
   12,281.72x = 139,878,182.15
5. Step 5: Solve for x
   x = 139,878,182.15/12,281.72
6. Step 6: Final answer
   x = 11,389.14