Finding the Fourth Proportional to 22,484.20, 31,032.73 and 12,930.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.20 : 31,032.73 = 12,930.77 : x
2. Step 2: Convert to fraction form
   22,484.20/31,032.73 = 12,930.77/x
3. Step 3: Cross multiply
   22,484.20x = 31,032.73 × 12,930.77
4. Step 4: Simplify right side
   22,484.20x = 401,276,906.61
5. Step 5: Solve for x
   x = 401,276,906.61/22,484.20
6. Step 6: Final answer
   x = 17,847.06