Finding the Fourth Proportional to 51,003.15, 70,372.82 and 30,859.53

Step by Step Solution

1. Step 1: Write the proportion equation
   51,003.15 : 70,372.82 = 30,859.53 : x
2. Step 2: Convert to fraction form
   51,003.15/70,372.82 = 30,859.53/x
3. Step 3: Cross multiply
   51,003.15x = 70,372.82 × 30,859.53
4. Step 4: Simplify right side
   51,003.15x = 2,171,671,995.68
5. Step 5: Solve for x
   x = 2,171,671,995.68/51,003.15
6. Step 6: Final answer
   x = 42,579.17