Finding the Fourth Proportional to 17,455.57, 26,188.83 and 5,776.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,455.57 : 26,188.83 = 5,776.99 : x
2. Step 2: Convert to fraction form
   17,455.57/26,188.83 = 5,776.99/x
3. Step 3: Cross multiply
   17,455.57x = 26,188.83 × 5,776.99
4. Step 4: Simplify right side
   17,455.57x = 151,292,609.02
5. Step 5: Solve for x
   x = 151,292,609.02/17,455.57
6. Step 6: Final answer
   x = 8,667.30