Finding the Fourth Proportional to 2,407.90, 3,611.82 and 946.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.90 : 3,611.82 = 946.03 : x
2. Step 2: Convert to fraction form
   2,407.90/3,611.82 = 946.03/x
3. Step 3: Cross multiply
   2,407.90x = 3,611.82 × 946.03
4. Step 4: Simplify right side
   2,407.90x = 3,416,890.07
5. Step 5: Solve for x
   x = 3,416,890.07/2,407.90
6. Step 6: Final answer
   x = 1,419.03