Finding the Fourth Proportional to 2,290.76, 3,434.22 and 1,316.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.76 : 3,434.22 = 1,316.52 : x
2. Step 2: Convert to fraction form
   2,290.76/3,434.22 = 1,316.52/x
3. Step 3: Cross multiply
   2,290.76x = 3,434.22 × 1,316.52
4. Step 4: Simplify right side
   2,290.76x = 4,521,219.31
5. Step 5: Solve for x
   x = 4,521,219.31/2,290.76
6. Step 6: Final answer
   x = 1,973.68