Finding the Fourth Proportional to 10,284.48, 14,171.67 and 7,098.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284.48 : 14,171.67 = 7,098.75 : x
2. Step 2: Convert to fraction form
   10,284.48/14,171.67 = 7,098.75/x
3. Step 3: Cross multiply
   10,284.48x = 14,171.67 × 7,098.75
4. Step 4: Simplify right side
   10,284.48x = 100,601,142.41
5. Step 5: Solve for x
   x = 100,601,142.41/10,284.48
6. Step 6: Final answer
   x = 9,781.84