Finding the Fourth Proportional to 22,817.88, 31,486.41 and 12,746.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,817.88 : 31,486.41 = 12,746.10 : x
2. Step 2: Convert to fraction form
   22,817.88/31,486.41 = 12,746.10/x
3. Step 3: Cross multiply
   22,817.88x = 31,486.41 × 12,746.10
4. Step 4: Simplify right side
   22,817.88x = 401,329,008.51
5. Step 5: Solve for x
   x = 401,329,008.51/22,817.88
6. Step 6: Final answer
   x = 17,588.36