Finding the Fourth Proportional to 42,097.71, 63,091.89 and 17,108.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,097.71 : 63,091.89 = 17,108.67 : x
2. Step 2: Convert to fraction form
   42,097.71/63,091.89 = 17,108.67/x
3. Step 3: Cross multiply
   42,097.71x = 63,091.89 × 17,108.67
4. Step 4: Simplify right side
   42,097.71x = 1,079,418,325.69
5. Step 5: Solve for x
   x = 1,079,418,325.69/42,097.71
6. Step 6: Final answer
   x = 25,640.78