Finding the Fourth Proportional to 3,483.83, 4,807.46 and 1,911.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.83 : 4,807.46 = 1,911.91 : x
2. Step 2: Convert to fraction form
   3,483.83/4,807.46 = 1,911.91/x
3. Step 3: Cross multiply
   3,483.83x = 4,807.46 × 1,911.91
4. Step 4: Simplify right side
   3,483.83x = 9,191,423.61
5. Step 5: Solve for x
   x = 9,191,423.61/3,483.83
6. Step 6: Final answer
   x = 2,638.31