Finding the Fourth Proportional to 2,390.18, 3,298.29 and 1,327.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.18 : 3,298.29 = 1,327.86 : x
2. Step 2: Convert to fraction form
   2,390.18/3,298.29 = 1,327.86/x
3. Step 3: Cross multiply
   2,390.18x = 3,298.29 × 1,327.86
4. Step 4: Simplify right side
   2,390.18x = 4,379,667.36
5. Step 5: Solve for x
   x = 4,379,667.36/2,390.18
6. Step 6: Final answer
   x = 1,832.36