Finding the Fourth Proportional to 2,478.51, 3,717.43 and 1,369.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.51 : 3,717.43 = 1,369.98 : x
2. Step 2: Convert to fraction form
   2,478.51/3,717.43 = 1,369.98/x
3. Step 3: Cross multiply
   2,478.51x = 3,717.43 × 1,369.98
4. Step 4: Simplify right side
   2,478.51x = 5,092,801.33
5. Step 5: Solve for x
   x = 5,092,801.33/2,478.51
6. Step 6: Final answer
   x = 2,054.78