Finding the Fourth Proportional to 51,196.53, 76,829.38 and 17,916.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,196.53 : 76,829.38 = 17,916.88 : x
2. Step 2: Convert to fraction form
   51,196.53/76,829.38 = 17,916.88/x
3. Step 3: Cross multiply
   51,196.53x = 76,829.38 × 17,916.88
4. Step 4: Simplify right side
   51,196.53x = 1,376,542,781.93
5. Step 5: Solve for x
   x = 1,376,542,781.93/51,196.53
6. Step 6: Final answer
   x = 26,887.42