Finding the Fourth Proportional to 51,196.37, 76,829.15 and 17,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,196.37 : 76,829.15 = 17,916.72 : x
2. Step 2: Convert to fraction form
   51,196.37/76,829.15 = 17,916.72/x
3. Step 3: Cross multiply
   51,196.37x = 76,829.15 × 17,916.72
4. Step 4: Simplify right side
   51,196.37x = 1,376,526,278.80
5. Step 5: Solve for x
   x = 1,376,526,278.80/51,196.37
6. Step 6: Final answer
   x = 26,887.19