Finding the Fourth Proportional to 2,475.81, 3,415.50 and 1,591.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.81 : 3,415.50 = 1,591.29 : x
2. Step 2: Convert to fraction form
   2,475.81/3,415.50 = 1,591.29/x
3. Step 3: Cross multiply
   2,475.81x = 3,415.50 × 1,591.29
4. Step 4: Simplify right side
   2,475.81x = 5,435,051.00
5. Step 5: Solve for x
   x = 5,435,051.00/2,475.81
6. Step 6: Final answer
   x = 2,195.26