Finding the Fourth Proportional to 10,877.06, 16,279.59 and 9,356.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.06 : 16,279.59 = 9,356.42 : x
2. Step 2: Convert to fraction form
   10,877.06/16,279.59 = 9,356.42/x
3. Step 3: Cross multiply
   10,877.06x = 16,279.59 × 9,356.42
4. Step 4: Simplify right side
   10,877.06x = 152,318,681.47
5. Step 5: Solve for x
   x = 152,318,681.47/10,877.06
6. Step 6: Final answer
   x = 14,003.66