Finding the Fourth Proportional to 7,117.98, 10,664.01 and 5,248.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,117.98 : 10,664.01 = 5,248.50 : x
2. Step 2: Convert to fraction form
   7,117.98/10,664.01 = 5,248.50/x
3. Step 3: Cross multiply
   7,117.98x = 10,664.01 × 5,248.50
4. Step 4: Simplify right side
   7,117.98x = 55,970,056.49
5. Step 5: Solve for x
   x = 55,970,056.49/7,117.98
6. Step 6: Final answer
   x = 7,863.19