Finding the Fourth Proportional to 22,100.88, 30,501.86 and 12,669.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.88 : 30,501.86 = 12,669.42 : x
2. Step 2: Convert to fraction form
   22,100.88/30,501.86 = 12,669.42/x
3. Step 3: Cross multiply
   22,100.88x = 30,501.86 × 12,669.42
4. Step 4: Simplify right side
   22,100.88x = 386,440,811.77
5. Step 5: Solve for x
   x = 386,440,811.77/22,100.88
6. Step 6: Final answer
   x = 17,485.31