Finding the Fourth Proportional to 14,259.50, 19,677.30 and 7,885.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,259.50 : 19,677.30 = 7,885.71 : x
2. Step 2: Convert to fraction form
   14,259.50/19,677.30 = 7,885.71/x
3. Step 3: Cross multiply
   14,259.50x = 19,677.30 × 7,885.71
4. Step 4: Simplify right side
   14,259.50x = 155,169,481.38
5. Step 5: Solve for x
   x = 155,169,481.38/14,259.50
6. Step 6: Final answer
   x = 10,881.84