Finding the Fourth Proportional to 22,051.50, 30,432.99 and 12,117.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,051.50 : 30,432.99 = 12,117.42 : x
2. Step 2: Convert to fraction form
   22,051.50/30,432.99 = 12,117.42/x
3. Step 3: Cross multiply
   22,051.50x = 30,432.99 × 12,117.42
4. Step 4: Simplify right side
   22,051.50x = 368,769,321.69
5. Step 5: Solve for x
   x = 368,769,321.69/22,051.50
6. Step 6: Final answer
   x = 16,723.09