Finding the Fourth Proportional to 14,061.23, 21,077.15 and 6,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061.23 : 21,077.15 = 6,656.88 : x
2. Step 2: Convert to fraction form
   14,061.23/21,077.15 = 6,656.88/x
3. Step 3: Cross multiply
   14,061.23x = 21,077.15 × 6,656.88
4. Step 4: Simplify right side
   14,061.23x = 140,308,025.01
5. Step 5: Solve for x
   x = 140,308,025.01/14,061.23
6. Step 6: Final answer
   x = 9,978.36