Finding the Fourth Proportional to 17,705.34, 26,549.37 and 10,105.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,705.34 : 26,549.37 = 10,105.74 : x
2. Step 2: Convert to fraction form
   17,705.34/26,549.37 = 10,105.74/x
3. Step 3: Cross multiply
   17,705.34x = 26,549.37 × 10,105.74
4. Step 4: Simplify right side
   17,705.34x = 268,301,030.38
5. Step 5: Solve for x
   x = 268,301,030.38/17,705.34
6. Step 6: Final answer
   x = 15,153.68