Finding the Fourth Proportional to 35,624.50, 49,162.72 and 21,478.25

Step by Step Solution

1. Step 1: Write the proportion equation
   35,624.50 : 49,162.72 = 21,478.25 : x
2. Step 2: Convert to fraction form
   35,624.50/49,162.72 = 21,478.25/x
3. Step 3: Cross multiply
   35,624.50x = 49,162.72 × 21,478.25
4. Step 4: Simplify right side
   35,624.50x = 1,055,929,291.60
5. Step 5: Solve for x
   x = 1,055,929,291.60/35,624.50
6. Step 6: Final answer
   x = 29,640.54