Finding the Fourth Proportional to 2,290.12, 3,435.54 and 973.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.12 : 3,435.54 = 973.86 : x
2. Step 2: Convert to fraction form
   2,290.12/3,435.54 = 973.86/x
3. Step 3: Cross multiply
   2,290.12x = 3,435.54 × 973.86
4. Step 4: Simplify right side
   2,290.12x = 3,345,734.98
5. Step 5: Solve for x
   x = 3,345,734.98/2,290.12
6. Step 6: Final answer
   x = 1,460.94