Finding the Fourth Proportional to 2,475.60, 3,415.41 and 1,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.60 : 3,415.41 = 1,591.89 : x
2. Step 2: Convert to fraction form
   2,475.60/3,415.41 = 1,591.89/x
3. Step 3: Cross multiply
   2,475.60x = 3,415.41 × 1,591.89
4. Step 4: Simplify right side
   2,475.60x = 5,436,957.02
5. Step 5: Solve for x
   x = 5,436,957.02/2,475.60
6. Step 6: Final answer
   x = 2,196.22