Finding the Fourth Proportional to 10,471.88, 15,708.59 and 3,898.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,471.88 : 15,708.59 = 3,898.07 : x
2. Step 2: Convert to fraction form
   10,471.88/15,708.59 = 3,898.07/x
3. Step 3: Cross multiply
   10,471.88x = 15,708.59 × 3,898.07
4. Step 4: Simplify right side
   10,471.88x = 61,233,085.39
5. Step 5: Solve for x
   x = 61,233,085.39/10,471.88
6. Step 6: Final answer
   x = 5,847.38