Finding the Fourth Proportional to 22,773, 31,426.74 and 12,837

Step by Step Solution

1. Step 1: Write the proportion equation
   22,773 : 31,426.74 = 12,837 : x
2. Step 2: Convert to fraction form
   22,773/31,426.74 = 12,837/x
3. Step 3: Cross multiply
   22,773x = 31,426.74 × 12,837
4. Step 4: Simplify right side
   22,773x = 403,425,061.38
5. Step 5: Solve for x
   x = 403,425,061.38/22,773
6. Step 6: Final answer
   x = 17,715.06