Finding the Fourth Proportional to 10,666.18, 14,719.27 and 5,886.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.18 : 14,719.27 = 5,886.07 : x
2. Step 2: Convert to fraction form
   10,666.18/14,719.27 = 5,886.07/x
3. Step 3: Cross multiply
   10,666.18x = 14,719.27 × 5,886.07
4. Step 4: Simplify right side
   10,666.18x = 86,638,613.09
5. Step 5: Solve for x
   x = 86,638,613.09/10,666.18
6. Step 6: Final answer
   x = 8,122.74