Finding the Fourth Proportional to 2,910.58, 4,365.71 and 1,061.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.58 : 4,365.71 = 1,061.35 : x
2. Step 2: Convert to fraction form
   2,910.58/4,365.71 = 1,061.35/x
3. Step 3: Cross multiply
   2,910.58x = 4,365.71 × 1,061.35
4. Step 4: Simplify right side
   2,910.58x = 4,633,546.31
5. Step 5: Solve for x
   x = 4,633,546.31/2,910.58
6. Step 6: Final answer
   x = 1,591.97