Finding the Fourth Proportional to 2,426.16, 3,347.67 and 1,378.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.16 : 3,347.67 = 1,378.02 : x
2. Step 2: Convert to fraction form
   2,426.16/3,347.67 = 1,378.02/x
3. Step 3: Cross multiply
   2,426.16x = 3,347.67 × 1,378.02
4. Step 4: Simplify right side
   2,426.16x = 4,613,156.21
5. Step 5: Solve for x
   x = 4,613,156.21/2,426.16
6. Step 6: Final answer
   x = 1,901.42