Finding the Fourth Proportional to 28,118.61, 42,164.00 and 9,392.22

Step by Step Solution

1. Step 1: Write the proportion equation
   28,118.61 : 42,164.00 = 9,392.22 : x
2. Step 2: Convert to fraction form
   28,118.61/42,164.00 = 9,392.22/x
3. Step 3: Cross multiply
   28,118.61x = 42,164.00 × 9,392.22
4. Step 4: Simplify right side
   28,118.61x = 396,013,517.12
5. Step 5: Solve for x
   x = 396,013,517.12/28,118.61
6. Step 6: Final answer
   x = 14,083.68