Finding the Fourth Proportional to 114,693.69, 172,096.89 and 51,558.42

Step by Step Solution

1. Step 1: Write the proportion equation
   114,693.69 : 172,096.89 = 51,558.42 : x
2. Step 2: Convert to fraction form
   114,693.69/172,096.89 = 51,558.42/x
3. Step 3: Cross multiply
   114,693.69x = 172,096.89 × 51,558.42
4. Step 4: Simplify right side
   114,693.69x = 8,873,043,735.31
5. Step 5: Solve for x
   x = 8,873,043,735.31/114,693.69
6. Step 6: Final answer
   x = 77,362.96