Finding the Fourth Proportional to 51,399.97, 76,886.72 and 48,250.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51,399.97 : 76,886.72 = 48,250.69 : x
2. Step 2: Convert to fraction form
   51,399.97/76,886.72 = 48,250.69/x
3. Step 3: Cross multiply
   51,399.97x = 76,886.72 × 48,250.69
4. Step 4: Simplify right side
   51,399.97x = 3,709,837,039.31
5. Step 5: Solve for x
   x = 3,709,837,039.31/51,399.97
6. Step 6: Final answer
   x = 72,175.86