Finding the Fourth Proportional to 17,861.22, 26,796.27 and 5,380.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,861.22 : 26,796.27 = 5,380.96 : x
2. Step 2: Convert to fraction form
   17,861.22/26,796.27 = 5,380.96/x
3. Step 3: Cross multiply
   17,861.22x = 26,796.27 × 5,380.96
4. Step 4: Simplify right side
   17,861.22x = 144,189,657.02
5. Step 5: Solve for x
   x = 144,189,657.02/17,861.22
6. Step 6: Final answer
   x = 8,072.78