Finding the Fourth Proportional to 35,222.76, 48,612.40 and 21,798.35

Step by Step Solution

1. Step 1: Write the proportion equation
   35,222.76 : 48,612.40 = 21,798.35 : x
2. Step 2: Convert to fraction form
   35,222.76/48,612.40 = 21,798.35/x
3. Step 3: Cross multiply
   35,222.76x = 48,612.40 × 21,798.35
4. Step 4: Simplify right side
   35,222.76x = 1,059,670,109.54
5. Step 5: Solve for x
   x = 1,059,670,109.54/35,222.76
6. Step 6: Final answer
   x = 30,084.81