Finding the Fourth Proportional to 30,746.48, 42,429.71 and 17,319.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,746.48 : 42,429.71 = 17,319.06 : x
2. Step 2: Convert to fraction form
   30,746.48/42,429.71 = 17,319.06/x
3. Step 3: Cross multiply
   30,746.48x = 42,429.71 × 17,319.06
4. Step 4: Simplify right side
   30,746.48x = 734,842,736.57
5. Step 5: Solve for x
   x = 734,842,736.57/30,746.48
6. Step 6: Final answer
   x = 23,900.06