Finding the Fourth Proportional to 22,613.32, 31,206.18 and 12,677.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.32 : 31,206.18 = 12,677.32 : x
2. Step 2: Convert to fraction form
   22,613.32/31,206.18 = 12,677.32/x
3. Step 3: Cross multiply
   22,613.32x = 31,206.18 × 12,677.32
4. Step 4: Simplify right side
   22,613.32x = 395,610,729.84
5. Step 5: Solve for x
   x = 395,610,729.84/22,613.32
6. Step 6: Final answer
   x = 17,494.59