Finding the Fourth Proportional to 22,547.56, 31,113.06 and 12,474.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,547.56 : 31,113.06 = 12,474.60 : x
2. Step 2: Convert to fraction form
   22,547.56/31,113.06 = 12,474.60/x
3. Step 3: Cross multiply
   22,547.56x = 31,113.06 × 12,474.60
4. Step 4: Simplify right side
   22,547.56x = 388,122,978.28
5. Step 5: Solve for x
   x = 388,122,978.28/22,547.56
6. Step 6: Final answer
   x = 17,213.52