Finding the Fourth Proportional to 12,502.72, 18,722.34 and 7,501.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,502.72 : 18,722.34 = 7,501.95 : x
2. Step 2: Convert to fraction form
   12,502.72/18,722.34 = 7,501.95/x
3. Step 3: Cross multiply
   12,502.72x = 18,722.34 × 7,501.95
4. Step 4: Simplify right side
   12,502.72x = 140,454,058.56
5. Step 5: Solve for x
   x = 140,454,058.56/12,502.72
6. Step 6: Final answer
   x = 11,233.88