Finding the Fourth Proportional to 2,429.60, 3,643.50 and 1,910.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.60 : 3,643.50 = 1,910.61 : x
2. Step 2: Convert to fraction form
   2,429.60/3,643.50 = 1,910.61/x
3. Step 3: Cross multiply
   2,429.60x = 3,643.50 × 1,910.61
4. Step 4: Simplify right side
   2,429.60x = 6,961,314.03
5. Step 5: Solve for x
   x = 6,961,314.03/2,429.60
6. Step 6: Final answer
   x = 2,865.21