Finding the Fourth Proportional to 12,910.86, 19,366.02 and 3,550.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,910.86 : 19,366.02 = 3,550.84 : x
2. Step 2: Convert to fraction form
   12,910.86/19,366.02 = 3,550.84/x
3. Step 3: Cross multiply
   12,910.86x = 19,366.02 × 3,550.84
4. Step 4: Simplify right side
   12,910.86x = 68,765,590.04
5. Step 5: Solve for x
   x = 68,765,590.04/12,910.86
6. Step 6: Final answer
   x = 5,326.18