Finding the Fourth Proportional to 42,650.65, 63,948.60 and 17,707.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,650.65 : 63,948.60 = 17,707.91 : x
2. Step 2: Convert to fraction form
   42,650.65/63,948.60 = 17,707.91/x
3. Step 3: Cross multiply
   42,650.65x = 63,948.60 × 17,707.91
4. Step 4: Simplify right side
   42,650.65x = 1,132,396,043.59
5. Step 5: Solve for x
   x = 1,132,396,043.59/42,650.65
6. Step 6: Final answer
   x = 26,550.50