Finding the Fourth Proportional to 45,725.31, 68,580.89 and 17,641.27

Step by Step Solution

1. Step 1: Write the proportion equation
   45,725.31 : 68,580.89 = 17,641.27 : x
2. Step 2: Convert to fraction form
   45,725.31/68,580.89 = 17,641.27/x
3. Step 3: Cross multiply
   45,725.31x = 68,580.89 × 17,641.27
4. Step 4: Simplify right side
   45,725.31x = 1,209,853,997.33
5. Step 5: Solve for x
   x = 1,209,853,997.33/45,725.31
6. Step 6: Final answer
   x = 26,459.18