Finding the Fourth Proportional to 17,766.08, 26,646.69 and 5,288.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,766.08 : 26,646.69 = 5,288.03 : x
2. Step 2: Convert to fraction form
   17,766.08/26,646.69 = 5,288.03/x
3. Step 3: Cross multiply
   17,766.08x = 26,646.69 × 5,288.03
4. Step 4: Simplify right side
   17,766.08x = 140,908,336.45
5. Step 5: Solve for x
   x = 140,908,336.45/17,766.08
6. Step 6: Final answer
   x = 7,931.31