Finding the Fourth Proportional to 17,105.01, 25,641.06 and 12,091.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,105.01 : 25,641.06 = 12,091.74 : x
2. Step 2: Convert to fraction form
   17,105.01/25,641.06 = 12,091.74/x
3. Step 3: Cross multiply
   17,105.01x = 25,641.06 × 12,091.74
4. Step 4: Simplify right side
   17,105.01x = 310,045,030.84
5. Step 5: Solve for x
   x = 310,045,030.84/17,105.01
6. Step 6: Final answer
   x = 18,125.98