Finding the Fourth Proportional to 22,109.76, 30,506.16 and 12,547.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.76 : 30,506.16 = 12,547.52 : x
2. Step 2: Convert to fraction form
   22,109.76/30,506.16 = 12,547.52/x
3. Step 3: Cross multiply
   22,109.76x = 30,506.16 × 12,547.52
4. Step 4: Simplify right side
   22,109.76x = 382,776,652.72
5. Step 5: Solve for x
   x = 382,776,652.72/22,109.76
6. Step 6: Final answer
   x = 17,312.56