Finding the Fourth Proportional to 10,445.94, 15,673.46 and 3,870.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.94 : 15,673.46 = 3,870.36 : x
2. Step 2: Convert to fraction form
   10,445.94/15,673.46 = 3,870.36/x
3. Step 3: Cross multiply
   10,445.94x = 15,673.46 × 3,870.36
4. Step 4: Simplify right side
   10,445.94x = 60,661,932.65
5. Step 5: Solve for x
   x = 60,661,932.65/10,445.94
6. Step 6: Final answer
   x = 5,807.23