Finding the Fourth Proportional to 59,074.05, 81,426.69 and 51,397.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,074.05 : 81,426.69 = 51,397.68 : x
2. Step 2: Convert to fraction form
   59,074.05/81,426.69 = 51,397.68/x
3. Step 3: Cross multiply
   59,074.05x = 81,426.69 × 51,397.68
4. Step 4: Simplify right side
   59,074.05x = 4,185,142,956.08
5. Step 5: Solve for x
   x = 4,185,142,956.08/59,074.05
6. Step 6: Final answer
   x = 70,845.71