Finding the Fourth Proportional to 8,670.58, 13,018.83 and 5,166.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,670.58 : 13,018.83 = 5,166.52 : x
2. Step 2: Convert to fraction form
   8,670.58/13,018.83 = 5,166.52/x
3. Step 3: Cross multiply
   8,670.58x = 13,018.83 × 5,166.52
4. Step 4: Simplify right side
   8,670.58x = 67,262,045.57
5. Step 5: Solve for x
   x = 67,262,045.57/8,670.58
6. Step 6: Final answer
   x = 7,757.50