Finding the Fourth Proportional to 2,601.84, 3,904.72 and 1,910.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.84 : 3,904.72 = 1,910.32 : x
2. Step 2: Convert to fraction form
   2,601.84/3,904.72 = 1,910.32/x
3. Step 3: Cross multiply
   2,601.84x = 3,904.72 × 1,910.32
4. Step 4: Simplify right side
   2,601.84x = 7,459,264.71
5. Step 5: Solve for x
   x = 7,459,264.71/2,601.84
6. Step 6: Final answer
   x = 2,866.92