Finding the Fourth Proportional to 12,671.58, 17,488.53 and 7,962.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671.58 : 17,488.53 = 7,962.24 : x
2. Step 2: Convert to fraction form
   12,671.58/17,488.53 = 7,962.24/x
3. Step 3: Cross multiply
   12,671.58x = 17,488.53 × 7,962.24
4. Step 4: Simplify right side
   12,671.58x = 139,247,873.11
5. Step 5: Solve for x
   x = 139,247,873.11/12,671.58
6. Step 6: Final answer
   x = 10,988.99