Finding the Fourth Proportional to 10,476.74, 15,704.18 and 3,900.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,476.74 : 15,704.18 = 3,900.25 : x
2. Step 2: Convert to fraction form
   10,476.74/15,704.18 = 3,900.25/x
3. Step 3: Cross multiply
   10,476.74x = 15,704.18 × 3,900.25
4. Step 4: Simplify right side
   10,476.74x = 61,250,242.80
5. Step 5: Solve for x
   x = 61,250,242.80/10,476.74
6. Step 6: Final answer
   x = 5,846.31