Finding the Fourth Proportional to 22,155.77, 30,575.78 and 13,204.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155.77 : 30,575.78 = 13,204.10 : x
2. Step 2: Convert to fraction form
   22,155.77/30,575.78 = 13,204.10/x
3. Step 3: Cross multiply
   22,155.77x = 30,575.78 × 13,204.10
4. Step 4: Simplify right side
   22,155.77x = 403,725,437.80
5. Step 5: Solve for x
   x = 403,725,437.80/22,155.77
6. Step 6: Final answer
   x = 18,222.14