Finding the Fourth Proportional to 12,671.83, 17,488.88 and 7,962.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671.83 : 17,488.88 = 7,962.49 : x
2. Step 2: Convert to fraction form
   12,671.83/17,488.88 = 7,962.49/x
3. Step 3: Cross multiply
   12,671.83x = 17,488.88 × 7,962.49
4. Step 4: Simplify right side
   12,671.83x = 139,255,032.11
5. Step 5: Solve for x
   x = 139,255,032.11/12,671.83
6. Step 6: Final answer
   x = 10,989.34