Finding the Fourth Proportional to 3,869.88, 5,804.76 and 1,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.88 : 5,804.76 = 1,404.72 : x
2. Step 2: Convert to fraction form
   3,869.88/5,804.76 = 1,404.72/x
3. Step 3: Cross multiply
   3,869.88x = 5,804.76 × 1,404.72
4. Step 4: Simplify right side
   3,869.88x = 8,154,062.47
5. Step 5: Solve for x
   x = 8,154,062.47/3,869.88
6. Step 6: Final answer
   x = 2,107.06