Finding the Fourth Proportional to 28,667.08, 42,992.22 and 12,026.62

Step by Step Solution

1. Step 1: Write the proportion equation
   28,667.08 : 42,992.22 = 12,026.62 : x
2. Step 2: Convert to fraction form
   28,667.08/42,992.22 = 12,026.62/x
3. Step 3: Cross multiply
   28,667.08x = 42,992.22 × 12,026.62
4. Step 4: Simplify right side
   28,667.08x = 517,051,092.90
5. Step 5: Solve for x
   x = 517,051,092.90/28,667.08
6. Step 6: Final answer
   x = 18,036.41