Finding the Fourth Proportional to 9,848.77, 13,591.42 and 5,872.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.77 : 13,591.42 = 5,872.17 : x
2. Step 2: Convert to fraction form
   9,848.77/13,591.42 = 5,872.17/x
3. Step 3: Cross multiply
   9,848.77x = 13,591.42 × 5,872.17
4. Step 4: Simplify right side
   9,848.77x = 79,811,128.78
5. Step 5: Solve for x
   x = 79,811,128.78/9,848.77
6. Step 6: Final answer
   x = 8,103.66