Finding the Fourth Proportional to 6,980.00, 10,457.78 and 5,817.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,980.00 : 10,457.78 = 5,817.47 : x
2. Step 2: Convert to fraction form
   6,980.00/10,457.78 = 5,817.47/x
3. Step 3: Cross multiply
   6,980.00x = 10,457.78 × 5,817.47
4. Step 4: Simplify right side
   6,980.00x = 60,837,740.04
5. Step 5: Solve for x
   x = 60,837,740.04/6,980.00
6. Step 6: Final answer
   x = 8,716.01