Finding the Fourth Proportional to 2,475.33, 3,415.82 and 1,356.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.33 : 3,415.82 = 1,356.05 : x
2. Step 2: Convert to fraction form
   2,475.33/3,415.82 = 1,356.05/x
3. Step 3: Cross multiply
   2,475.33x = 3,415.82 × 1,356.05
4. Step 4: Simplify right side
   2,475.33x = 4,631,998.85
5. Step 5: Solve for x
   x = 4,631,998.85/2,475.33
6. Step 6: Final answer
   x = 1,871.27