Finding the Fourth Proportional to 12,374.61, 17,054.06 and 8,789.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374.61 : 17,054.06 = 8,789.73 : x
2. Step 2: Convert to fraction form
   12,374.61/17,054.06 = 8,789.73/x
3. Step 3: Cross multiply
   12,374.61x = 17,054.06 × 8,789.73
4. Step 4: Simplify right side
   12,374.61x = 149,900,582.80
5. Step 5: Solve for x
   x = 149,900,582.80/12,374.61
6. Step 6: Final answer
   x = 12,113.56