Finding the Fourth Proportional to 9,061.88, 13,585.48 and 3,871.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.88 : 13,585.48 = 3,871.40 : x
2. Step 2: Convert to fraction form
   9,061.88/13,585.48 = 3,871.40/x
3. Step 3: Cross multiply
   9,061.88x = 13,585.48 × 3,871.40
4. Step 4: Simplify right side
   9,061.88x = 52,594,749.67
5. Step 5: Solve for x
   x = 52,594,749.67/9,061.88
6. Step 6: Final answer
   x = 5,803.96