Finding the Fourth Proportional to 2,116.42, 2,920.76 and 1,184.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.42 : 2,920.76 = 1,184.92 : x
2. Step 2: Convert to fraction form
   2,116.42/2,920.76 = 1,184.92/x
3. Step 3: Cross multiply
   2,116.42x = 2,920.76 × 1,184.92
4. Step 4: Simplify right side
   2,116.42x = 3,460,861.01
5. Step 5: Solve for x
   x = 3,460,861.01/2,116.42
6. Step 6: Final answer
   x = 1,635.24