Finding the Fourth Proportional to 22,061.30, 30,445.14 and 11,990.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.30 : 30,445.14 = 11,990.34 : x
2. Step 2: Convert to fraction form
   22,061.30/30,445.14 = 11,990.34/x
3. Step 3: Cross multiply
   22,061.30x = 30,445.14 × 11,990.34
4. Step 4: Simplify right side
   22,061.30x = 365,047,579.95
5. Step 5: Solve for x
   x = 365,047,579.95/22,061.30
6. Step 6: Final answer
   x = 16,546.97