Finding the Fourth Proportional to 35,340.06, 48,771.59 and 21,920.24

Step by Step Solution

1. Step 1: Write the proportion equation
   35,340.06 : 48,771.59 = 21,920.24 : x
2. Step 2: Convert to fraction form
   35,340.06/48,771.59 = 21,920.24/x
3. Step 3: Cross multiply
   35,340.06x = 48,771.59 × 21,920.24
4. Step 4: Simplify right side
   35,340.06x = 1,069,084,604.52
5. Step 5: Solve for x
   x = 1,069,084,604.52/35,340.06
6. Step 6: Final answer
   x = 30,251.35