Finding the Fourth Proportional to 10,472.76, 15,706.86 and 3,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,472.76 : 15,706.86 = 3,719.25 : x
2. Step 2: Convert to fraction form
   10,472.76/15,706.86 = 3,719.25/x
3. Step 3: Cross multiply
   10,472.76x = 15,706.86 × 3,719.25
4. Step 4: Simplify right side
   10,472.76x = 58,417,739.06
5. Step 5: Solve for x
   x = 58,417,739.06/10,472.76
6. Step 6: Final answer
   x = 5,578.07