Finding the Fourth Proportional to 83,174.76, 114,748.62 and 51,288.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,174.76 : 114,748.62 = 51,288.30 : x
2. Step 2: Convert to fraction form
   83,174.76/114,748.62 = 51,288.30/x
3. Step 3: Cross multiply
   83,174.76x = 114,748.62 × 51,288.30
4. Step 4: Simplify right side
   83,174.76x = 5,885,261,647.15
5. Step 5: Solve for x
   x = 5,885,261,647.15/83,174.76
6. Step 6: Final answer
   x = 70,757.78