Finding the Fourth Proportional to 9,382.50, 12,947.94 and 5,190.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,382.50 : 12,947.94 = 5,190.84 : x
2. Step 2: Convert to fraction form
   9,382.50/12,947.94 = 5,190.84/x
3. Step 3: Cross multiply
   9,382.50x = 12,947.94 × 5,190.84
4. Step 4: Simplify right side
   9,382.50x = 67,210,684.87
5. Step 5: Solve for x
   x = 67,210,684.87/9,382.50
6. Step 6: Final answer
   x = 7,163.41