Finding the Fourth Proportional to 22,106.96, 30,508.10 and 12,547.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,106.96 : 30,508.10 = 12,547.48 : x
2. Step 2: Convert to fraction form
   22,106.96/30,508.10 = 12,547.48/x
3. Step 3: Cross multiply
   22,106.96x = 30,508.10 × 12,547.48
4. Step 4: Simplify right side
   22,106.96x = 382,799,774.59
5. Step 5: Solve for x
   x = 382,799,774.59/22,106.96
6. Step 6: Final answer
   x = 17,315.80