Finding the Fourth Proportional to 2,373.70, 3,558.52 and 1,678.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.70 : 3,558.52 = 1,678.18 : x
2. Step 2: Convert to fraction form
   2,373.70/3,558.52 = 1,678.18/x
3. Step 3: Cross multiply
   2,373.70x = 3,558.52 × 1,678.18
4. Step 4: Simplify right side
   2,373.70x = 5,971,837.09
5. Step 5: Solve for x
   x = 5,971,837.09/2,373.70
6. Step 6: Final answer
   x = 2,515.83