Finding the Fourth Proportional to 22,483.60, 31,027.62 and 12,411.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,483.60 : 31,027.62 = 12,411.86 : x
2. Step 2: Convert to fraction form
   22,483.60/31,027.62 = 12,411.86/x
3. Step 3: Cross multiply
   22,483.60x = 31,027.62 × 12,411.86
4. Step 4: Simplify right side
   22,483.60x = 385,110,320.44
5. Step 5: Solve for x
   x = 385,110,320.44/22,483.60
6. Step 6: Final answer
   x = 17,128.50