Finding the Fourth Proportional to 9,686.74, 14,602.51 and 9,043.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686.74 : 14,602.51 = 9,043.78 : x
2. Step 2: Convert to fraction form
   9,686.74/14,602.51 = 9,043.78/x
3. Step 3: Cross multiply
   9,686.74x = 14,602.51 × 9,043.78
4. Step 4: Simplify right side
   9,686.74x = 132,061,887.89
5. Step 5: Solve for x
   x = 132,061,887.89/9,686.74
6. Step 6: Final answer
   x = 13,633.26