Finding the Fourth Proportional to 22,827.42, 31,501.91 and 12,756.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,827.42 : 31,501.91 = 12,756.24 : x
2. Step 2: Convert to fraction form
   22,827.42/31,501.91 = 12,756.24/x
3. Step 3: Cross multiply
   22,827.42x = 31,501.91 × 12,756.24
4. Step 4: Simplify right side
   22,827.42x = 401,845,860.64
5. Step 5: Solve for x
   x = 401,845,860.64/22,827.42
6. Step 6: Final answer
   x = 17,603.65