Finding the Fourth Proportional to 51,164.36, 70,578.50 and 42,593.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,164.36 : 70,578.50 = 42,593.72 : x
2. Step 2: Convert to fraction form
   51,164.36/70,578.50 = 42,593.72/x
3. Step 3: Cross multiply
   51,164.36x = 70,578.50 × 42,593.72
4. Step 4: Simplify right side
   51,164.36x = 3,006,200,867.02
5. Step 5: Solve for x
   x = 3,006,200,867.02/51,164.36
6. Step 6: Final answer
   x = 58,755.76