Finding the Fourth Proportional to 35,019.50, 52,256.11 and 31,245.33

Step by Step Solution

1. Step 1: Write the proportion equation
   35,019.50 : 52,256.11 = 31,245.33 : x
2. Step 2: Convert to fraction form
   35,019.50/52,256.11 = 31,245.33/x
3. Step 3: Cross multiply
   35,019.50x = 52,256.11 × 31,245.33
4. Step 4: Simplify right side
   35,019.50x = 1,632,759,323.35
5. Step 5: Solve for x
   x = 1,632,759,323.35/35,019.50
6. Step 6: Final answer
   x = 46,624.30