Finding the Fourth Proportional to 2,475.99, 3,416.94 and 1,357.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.99 : 3,416.94 = 1,357.00 : x
2. Step 2: Convert to fraction form
   2,475.99/3,416.94 = 1,357.00/x
3. Step 3: Cross multiply
   2,475.99x = 3,416.94 × 1,357.00
4. Step 4: Simplify right side
   2,475.99x = 4,636,798.80
5. Step 5: Solve for x
   x = 4,636,798.80/2,475.99
6. Step 6: Final answer
   x = 1,872.70