Finding the Fourth Proportional to 12,123.77, 16,738.48 and 8,301.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.77 : 16,738.48 = 8,301.80 : x
2. Step 2: Convert to fraction form
   12,123.77/16,738.48 = 8,301.80/x
3. Step 3: Cross multiply
   12,123.77x = 16,738.48 × 8,301.80
4. Step 4: Simplify right side
   12,123.77x = 138,959,500.61
5. Step 5: Solve for x
   x = 138,959,500.61/12,123.77
6. Step 6: Final answer
   x = 11,461.74