Finding the Fourth Proportional to 12,514.50, 18,780.86 and 4,723.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,514.50 : 18,780.86 = 4,723.31 : x
2. Step 2: Convert to fraction form
   12,514.50/18,780.86 = 4,723.31/x
3. Step 3: Cross multiply
   12,514.50x = 18,780.86 × 4,723.31
4. Step 4: Simplify right side
   12,514.50x = 88,707,882.61
5. Step 5: Solve for x
   x = 88,707,882.61/12,514.50
6. Step 6: Final answer
   x = 7,088.41