Finding the Fourth Proportional to 17,761, 26,646.72 and 5,281.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,761 : 26,646.72 = 5,281.12 : x
2. Step 2: Convert to fraction form
   17,761/26,646.72 = 5,281.12/x
3. Step 3: Cross multiply
   17,761x = 26,646.72 × 5,281.12
4. Step 4: Simplify right side
   17,761x = 140,724,525.93
5. Step 5: Solve for x
   x = 140,724,525.93/17,761
6. Step 6: Final answer
   x = 7,923.23