Finding the Fourth Proportional to 14,259.18, 19,677.72 and 7,971.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,259.18 : 19,677.72 = 7,971.56 : x
2. Step 2: Convert to fraction form
   14,259.18/19,677.72 = 7,971.56/x
3. Step 3: Cross multiply
   14,259.18x = 19,677.72 × 7,971.56
4. Step 4: Simplify right side
   14,259.18x = 156,862,056.52
5. Step 5: Solve for x
   x = 156,862,056.52/14,259.18
6. Step 6: Final answer
   x = 11,000.77