Finding the Fourth Proportional to 12,887.74, 19,326.86 and 4,452.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,887.74 : 19,326.86 = 4,452.10 : x
2. Step 2: Convert to fraction form
   12,887.74/19,326.86 = 4,452.10/x
3. Step 3: Cross multiply
   12,887.74x = 19,326.86 × 4,452.10
4. Step 4: Simplify right side
   12,887.74x = 86,045,033.47
5. Step 5: Solve for x
   x = 86,045,033.47/12,887.74
6. Step 6: Final answer
   x = 6,676.50