Finding the Fourth Proportional to 30,772.77, 42,468.76 and 17,345.29

Step by Step Solution

1. Step 1: Write the proportion equation
   30,772.77 : 42,468.76 = 17,345.29 : x
2. Step 2: Convert to fraction form
   30,772.77/42,468.76 = 17,345.29/x
3. Step 3: Cross multiply
   30,772.77x = 42,468.76 × 17,345.29
4. Step 4: Simplify right side
   30,772.77x = 736,632,958.14
5. Step 5: Solve for x
   x = 736,632,958.14/30,772.77
6. Step 6: Final answer
   x = 23,937.82