Finding the Fourth Proportional to 22,462.01, 30,997.49 and 12,391.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.01 : 30,997.49 = 12,391.08 : x
2. Step 2: Convert to fraction form
   22,462.01/30,997.49 = 12,391.08/x
3. Step 3: Cross multiply
   22,462.01x = 30,997.49 × 12,391.08
4. Step 4: Simplify right side
   22,462.01x = 384,092,200.19
5. Step 5: Solve for x
   x = 384,092,200.19/22,462.01
6. Step 6: Final answer
   x = 17,099.64