Finding the Fourth Proportional to 2,445.02, 3,373.35 and 1,658.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.02 : 3,373.35 = 1,658.78 : x
2. Step 2: Convert to fraction form
   2,445.02/3,373.35 = 1,658.78/x
3. Step 3: Cross multiply
   2,445.02x = 3,373.35 × 1,658.78
4. Step 4: Simplify right side
   2,445.02x = 5,595,645.51
5. Step 5: Solve for x
   x = 5,595,645.51/2,445.02
6. Step 6: Final answer
   x = 2,288.59