Finding the Fourth Proportional to 22,374.59, 30,877.15 and 12,303.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,374.59 : 30,877.15 = 12,303.10 : x
2. Step 2: Convert to fraction form
   22,374.59/30,877.15 = 12,303.10/x
3. Step 3: Cross multiply
   22,374.59x = 30,877.15 × 12,303.10
4. Step 4: Simplify right side
   22,374.59x = 379,884,556.21
5. Step 5: Solve for x
   x = 379,884,556.21/22,374.59
6. Step 6: Final answer
   x = 16,978.39