Finding the Fourth Proportional to 22,377.02, 30,876.84 and 12,943.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,377.02 : 30,876.84 = 12,943.76 : x
2. Step 2: Convert to fraction form
   22,377.02/30,876.84 = 12,943.76/x
3. Step 3: Cross multiply
   22,377.02x = 30,876.84 × 12,943.76
4. Step 4: Simplify right side
   22,377.02x = 399,662,406.52
5. Step 5: Solve for x
   x = 399,662,406.52/22,377.02
6. Step 6: Final answer
   x = 17,860.39