Finding the Fourth Proportional to 30,734.16, 42,357 and 22,336.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,734.16 : 42,357 = 22,336.08 : x
2. Step 2: Convert to fraction form
   30,734.16/42,357 = 22,336.08/x
3. Step 3: Cross multiply
   30,734.16x = 42,357 × 22,336.08
4. Step 4: Simplify right side
   30,734.16x = 946,089,340.56
5. Step 5: Solve for x
   x = 946,089,340.56/30,734.16
6. Step 6: Final answer
   x = 30,782.99