Finding the Fourth Proportional to 9,846.77, 13,588.66 and 5,870.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.77 : 13,588.66 = 5,870.17 : x
2. Step 2: Convert to fraction form
   9,846.77/13,588.66 = 5,870.17/x
3. Step 3: Cross multiply
   9,846.77x = 13,588.66 × 5,870.17
4. Step 4: Simplify right side
   9,846.77x = 79,767,768.60
5. Step 5: Solve for x
   x = 79,767,768.60/9,846.77
6. Step 6: Final answer
   x = 8,100.91