Finding the Fourth Proportional to 9,850.05, 13,591.98 and 5,870.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,850.05 : 13,591.98 = 5,870.39 : x
2. Step 2: Convert to fraction form
   9,850.05/13,591.98 = 5,870.39/x
3. Step 3: Cross multiply
   9,850.05x = 13,591.98 × 5,870.39
4. Step 4: Simplify right side
   9,850.05x = 79,790,155.51
5. Step 5: Solve for x
   x = 79,790,155.51/9,850.05
6. Step 6: Final answer
   x = 8,100.48