Finding the Fourth Proportional to 5,903.83, 8,146.42 and 3,386.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,903.83 : 8,146.42 = 3,386.05 : x
2. Step 2: Convert to fraction form
   5,903.83/8,146.42 = 3,386.05/x
3. Step 3: Cross multiply
   5,903.83x = 8,146.42 × 3,386.05
4. Step 4: Simplify right side
   5,903.83x = 27,584,144.71
5. Step 5: Solve for x
   x = 27,584,144.71/5,903.83
6. Step 6: Final answer
   x = 4,672.25