Finding the Fourth Proportional to 7,061.89, 9,745.02 and 3,917.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.89 : 9,745.02 = 3,917.88 : x
2. Step 2: Convert to fraction form
   7,061.89/9,745.02 = 3,917.88/x
3. Step 3: Cross multiply
   7,061.89x = 9,745.02 × 3,917.88
4. Step 4: Simplify right side
   7,061.89x = 38,179,818.96
5. Step 5: Solve for x
   x = 38,179,818.96/7,061.89
6. Step 6: Final answer
   x = 5,406.46