Finding the Fourth Proportional to 22,496.18, 31,050.74 and 12,937.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.18 : 31,050.74 = 12,937.11 : x
2. Step 2: Convert to fraction form
   22,496.18/31,050.74 = 12,937.11/x
3. Step 3: Cross multiply
   22,496.18x = 31,050.74 × 12,937.11
4. Step 4: Simplify right side
   22,496.18x = 401,706,774.28
5. Step 5: Solve for x
   x = 401,706,774.28/22,496.18
6. Step 6: Final answer
   x = 17,856.67