Finding the Fourth Proportional to 2,613.70, 3,923.52 and 1,881.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.70 : 3,923.52 = 1,881.10 : x
2. Step 2: Convert to fraction form
   2,613.70/3,923.52 = 1,881.10/x
3. Step 3: Cross multiply
   2,613.70x = 3,923.52 × 1,881.10
4. Step 4: Simplify right side
   2,613.70x = 7,380,533.47
5. Step 5: Solve for x
   x = 7,380,533.47/2,613.70
6. Step 6: Final answer
   x = 2,823.79