Finding the Fourth Proportional to 12,498.72, 18,733.40 and 6,950.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.72 : 18,733.40 = 6,950.72 : x
2. Step 2: Convert to fraction form
   12,498.72/18,733.40 = 6,950.72/x
3. Step 3: Cross multiply
   12,498.72x = 18,733.40 × 6,950.72
4. Step 4: Simplify right side
   12,498.72x = 130,210,618.05
5. Step 5: Solve for x
   x = 130,210,618.05/12,498.72
6. Step 6: Final answer
   x = 10,417.92