Finding the Fourth Proportional to 2,291.16, 3,432.96 and 973.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.16 : 3,432.96 = 973.86 : x
2. Step 2: Convert to fraction form
   2,291.16/3,432.96 = 973.86/x
3. Step 3: Cross multiply
   2,291.16x = 3,432.96 × 973.86
4. Step 4: Simplify right side
   2,291.16x = 3,343,222.43
5. Step 5: Solve for x
   x = 3,343,222.43/2,291.16
6. Step 6: Final answer
   x = 1,459.18