Finding the Fourth Proportional to 5,345.60, 8,018.72 and 2,058.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,345.60 : 8,018.72 = 2,058.69 : x
2. Step 2: Convert to fraction form
   5,345.60/8,018.72 = 2,058.69/x
3. Step 3: Cross multiply
   5,345.60x = 8,018.72 × 2,058.69
4. Step 4: Simplify right side
   5,345.60x = 16,508,063.62
5. Step 5: Solve for x
   x = 16,508,063.62/5,345.60
6. Step 6: Final answer
   x = 3,088.16