Finding the Fourth Proportional to 22,363, 30,860.94 and 12,937.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,363 : 30,860.94 = 12,937.03 : x
2. Step 2: Convert to fraction form
   22,363/30,860.94 = 12,937.03/x
3. Step 3: Cross multiply
   22,363x = 30,860.94 × 12,937.03
4. Step 4: Simplify right side
   22,363x = 399,248,906.61
5. Step 5: Solve for x
   x = 399,248,906.61/22,363
6. Step 6: Final answer
   x = 17,853.10