Finding the Fourth Proportional to 22,820.73, 31,492.34 and 12,750.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,820.73 : 31,492.34 = 12,750.15 : x
2. Step 2: Convert to fraction form
   22,820.73/31,492.34 = 12,750.15/x
3. Step 3: Cross multiply
   22,820.73x = 31,492.34 × 12,750.15
4. Step 4: Simplify right side
   22,820.73x = 401,531,995.10
5. Step 5: Solve for x
   x = 401,531,995.10/22,820.73
6. Step 6: Final answer
   x = 17,595.05