Finding the Fourth Proportional to 17,730.50, 26,595.83 and 5,250.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,730.50 : 26,595.83 = 5,250.75 : x
2. Step 2: Convert to fraction form
   17,730.50/26,595.83 = 5,250.75/x
3. Step 3: Cross multiply
   17,730.50x = 26,595.83 × 5,250.75
4. Step 4: Simplify right side
   17,730.50x = 139,648,028.12
5. Step 5: Solve for x
   x = 139,648,028.12/17,730.50
6. Step 6: Final answer
   x = 7,876.15