Finding the Fourth Proportional to 14,443.31, 19,931.51 and 8,070.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.31 : 19,931.51 = 8,070.02 : x
2. Step 2: Convert to fraction form
   14,443.31/19,931.51 = 8,070.02/x
3. Step 3: Cross multiply
   14,443.31x = 19,931.51 × 8,070.02
4. Step 4: Simplify right side
   14,443.31x = 160,847,754.33
5. Step 5: Solve for x
   x = 160,847,754.33/14,443.31
6. Step 6: Final answer
   x = 11,136.49