Finding the Fourth Proportional to 84,644.96, 116,807.28 and 51,105.12

Step by Step Solution

1. Step 1: Write the proportion equation
   84,644.96 : 116,807.28 = 51,105.12 : x
2. Step 2: Convert to fraction form
   84,644.96/116,807.28 = 51,105.12/x
3. Step 3: Cross multiply
   84,644.96x = 116,807.28 × 51,105.12
4. Step 4: Simplify right side
   84,644.96x = 5,969,450,061.27
5. Step 5: Solve for x
   x = 5,969,450,061.27/84,644.96
6. Step 6: Final answer
   x = 70,523.40