Finding the Fourth Proportional to 2,490.51, 3,735.50 and 846.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.51 : 3,735.50 = 846.86 : x
2. Step 2: Convert to fraction form
   2,490.51/3,735.50 = 846.86/x
3. Step 3: Cross multiply
   2,490.51x = 3,735.50 × 846.86
4. Step 4: Simplify right side
   2,490.51x = 3,163,422.62
5. Step 5: Solve for x
   x = 3,163,422.62/2,490.51
6. Step 6: Final answer
   x = 1,270.19