Finding the Fourth Proportional to 12,113.74, 16,746.78 and 12,002.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,113.74 : 16,746.78 = 12,002.86 : x
2. Step 2: Convert to fraction form
   12,113.74/16,746.78 = 12,002.86/x
3. Step 3: Cross multiply
   12,113.74x = 16,746.78 × 12,002.86
4. Step 4: Simplify right side
   12,113.74x = 201,009,255.79
5. Step 5: Solve for x
   x = 201,009,255.79/12,113.74
6. Step 6: Final answer
   x = 16,593.49