Finding the Fourth Proportional to 12,492, 17,237.16 and 10,611.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,492 : 17,237.16 = 10,611.12 : x
2. Step 2: Convert to fraction form
   12,492/17,237.16 = 10,611.12/x
3. Step 3: Cross multiply
   12,492x = 17,237.16 × 10,611.12
4. Step 4: Simplify right side
   12,492x = 182,905,573.22
5. Step 5: Solve for x
   x = 182,905,573.22/12,492
6. Step 6: Final answer
   x = 14,641.82