Finding the Fourth Proportional to 22,415.56, 30,932.26 and 12,342.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,415.56 : 30,932.26 = 12,342.10 : x
2. Step 2: Convert to fraction form
   22,415.56/30,932.26 = 12,342.10/x
3. Step 3: Cross multiply
   22,415.56x = 30,932.26 × 12,342.10
4. Step 4: Simplify right side
   22,415.56x = 381,768,829.77
5. Step 5: Solve for x
   x = 381,768,829.77/22,415.56
6. Step 6: Final answer
   x = 17,031.42