Finding the Fourth Proportional to 15,671.34, 21,626.46 and 8,598.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,671.34 : 21,626.46 = 8,598.15 : x
2. Step 2: Convert to fraction form
   15,671.34/21,626.46 = 8,598.15/x
3. Step 3: Cross multiply
   15,671.34x = 21,626.46 × 8,598.15
4. Step 4: Simplify right side
   15,671.34x = 185,947,547.05
5. Step 5: Solve for x
   x = 185,947,547.05/15,671.34
6. Step 6: Final answer
   x = 11,865.45