Finding the Fourth Proportional to 14,019.46, 19,345.98 and 7,731.97

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.46 : 19,345.98 = 7,731.97 : x
2. Step 2: Convert to fraction form
   14,019.46/19,345.98 = 7,731.97/x
3. Step 3: Cross multiply
   14,019.46x = 19,345.98 × 7,731.97
4. Step 4: Simplify right side
   14,019.46x = 149,582,536.98
5. Step 5: Solve for x
   x = 149,582,536.98/14,019.46
6. Step 6: Final answer
   x = 10,669.64