Finding the Fourth Proportional to 2,219.42, 3,326.34 and 1,599.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.42 : 3,326.34 = 1,599.86 : x
2. Step 2: Convert to fraction form
   2,219.42/3,326.34 = 1,599.86/x
3. Step 3: Cross multiply
   2,219.42x = 3,326.34 × 1,599.86
4. Step 4: Simplify right side
   2,219.42x = 5,321,678.31
5. Step 5: Solve for x
   x = 5,321,678.31/2,219.42
6. Step 6: Final answer
   x = 2,397.78