Finding the Fourth Proportional to 22,375.10, 30,878.30 and 12,303.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.10 : 30,878.30 = 12,303.02 : x
2. Step 2: Convert to fraction form
   22,375.10/30,878.30 = 12,303.02/x
3. Step 3: Cross multiply
   22,375.10x = 30,878.30 × 12,303.02
4. Step 4: Simplify right side
   22,375.10x = 379,896,218.83
5. Step 5: Solve for x
   x = 379,896,218.83/22,375.10
6. Step 6: Final answer
   x = 16,978.53