Finding the Fourth Proportional to 17,530.50, 26,300.07 and 5,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,530.50 : 26,300.07 = 5,218.50 : x
2. Step 2: Convert to fraction form
   17,530.50/26,300.07 = 5,218.50/x
3. Step 3: Cross multiply
   17,530.50x = 26,300.07 × 5,218.50
4. Step 4: Simplify right side
   17,530.50x = 137,246,915.30
5. Step 5: Solve for x
   x = 137,246,915.30/17,530.50
6. Step 6: Final answer
   x = 7,829.04