Finding the Fourth Proportional to 14,443.47, 19,931.86 and 8,071.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.47 : 19,931.86 = 8,071.16 : x
2. Step 2: Convert to fraction form
   14,443.47/19,931.86 = 8,071.16/x
3. Step 3: Cross multiply
   14,443.47x = 19,931.86 × 8,071.16
4. Step 4: Simplify right side
   14,443.47x = 160,873,275.71
5. Step 5: Solve for x
   x = 160,873,275.71/14,443.47
6. Step 6: Final answer
   x = 11,138.13