Finding the Fourth Proportional to 14,443.86, 19,948.98 and 9,719.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.86 : 19,948.98 = 9,719.94 : x
2. Step 2: Convert to fraction form
   14,443.86/19,948.98 = 9,719.94/x
3. Step 3: Cross multiply
   14,443.86x = 19,948.98 × 9,719.94
4. Step 4: Simplify right side
   14,443.86x = 193,902,888.66
5. Step 5: Solve for x
   x = 193,902,888.66/14,443.86
6. Step 6: Final answer
   x = 13,424.59