Finding the Fourth Proportional to 17,943.82, 26,905.47 and 5,460.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,943.82 : 26,905.47 = 5,460.15 : x
2. Step 2: Convert to fraction form
   17,943.82/26,905.47 = 5,460.15/x
3. Step 3: Cross multiply
   17,943.82x = 26,905.47 × 5,460.15
4. Step 4: Simplify right side
   17,943.82x = 146,907,902.02
5. Step 5: Solve for x
   x = 146,907,902.02/17,943.82
6. Step 6: Final answer
   x = 8,187.10