Finding the Fourth Proportional to 51,433.34, 70,987.25 and 30,213.77

Step by Step Solution

1. Step 1: Write the proportion equation
   51,433.34 : 70,987.25 = 30,213.77 : x
2. Step 2: Convert to fraction form
   51,433.34/70,987.25 = 30,213.77/x
3. Step 3: Cross multiply
   51,433.34x = 70,987.25 × 30,213.77
4. Step 4: Simplify right side
   51,433.34x = 2,144,792,165.03
5. Step 5: Solve for x
   x = 2,144,792,165.03/51,433.34
6. Step 6: Final answer
   x = 41,700.43