Finding the Fourth Proportional to 2,910.87, 4,364.91 and 1,061.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.87 : 4,364.91 = 1,061.46 : x
2. Step 2: Convert to fraction form
   2,910.87/4,364.91 = 1,061.46/x
3. Step 3: Cross multiply
   2,910.87x = 4,364.91 × 1,061.46
4. Step 4: Simplify right side
   2,910.87x = 4,633,177.37
5. Step 5: Solve for x
   x = 4,633,177.37/2,910.87
6. Step 6: Final answer
   x = 1,591.68