Finding the Fourth Proportional to 16,092.56, 22,209.10 and 9,378.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,092.56 : 22,209.10 = 9,378.74 : x
2. Step 2: Convert to fraction form
   16,092.56/22,209.10 = 9,378.74/x
3. Step 3: Cross multiply
   16,092.56x = 22,209.10 × 9,378.74
4. Step 4: Simplify right side
   16,092.56x = 208,293,374.53
5. Step 5: Solve for x
   x = 208,293,374.53/16,092.56
6. Step 6: Final answer
   x = 12,943.46