Finding the Fourth Proportional to 3,876.86, 5,814.42 and 1,103.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.86 : 5,814.42 = 1,103.47 : x
2. Step 2: Convert to fraction form
   3,876.86/5,814.42 = 1,103.47/x
3. Step 3: Cross multiply
   3,876.86x = 5,814.42 × 1,103.47
4. Step 4: Simplify right side
   3,876.86x = 6,416,038.04
5. Step 5: Solve for x
   x = 6,416,038.04/3,876.86
6. Step 6: Final answer
   x = 1,654.96