Finding the Fourth Proportional to 22,100.91, 30,499.31 and 12,029.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.91 : 30,499.31 = 12,029.43 : x
2. Step 2: Convert to fraction form
   22,100.91/30,499.31 = 12,029.43/x
3. Step 3: Cross multiply
   22,100.91x = 30,499.31 × 12,029.43
4. Step 4: Simplify right side
   22,100.91x = 366,889,421.02
5. Step 5: Solve for x
   x = 366,889,421.02/22,100.91
6. Step 6: Final answer
   x = 16,600.65