Finding the Fourth Proportional to 51,196.71, 76,742.38 and 19,599.33

Step by Step Solution

1. Step 1: Write the proportion equation
   51,196.71 : 76,742.38 = 19,599.33 : x
2. Step 2: Convert to fraction form
   51,196.71/76,742.38 = 19,599.33/x
3. Step 3: Cross multiply
   51,196.71x = 76,742.38 × 19,599.33
4. Step 4: Simplify right side
   51,196.71x = 1,504,099,230.61
5. Step 5: Solve for x
   x = 1,504,099,230.61/51,196.71
6. Step 6: Final answer
   x = 29,378.83