Finding the Fourth Proportional to 51,151.96, 70,593.24 and 31,009.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51,151.96 : 70,593.24 = 31,009.69 : x
2. Step 2: Convert to fraction form
   51,151.96/70,593.24 = 31,009.69/x
3. Step 3: Cross multiply
   51,151.96x = 70,593.24 × 31,009.69
4. Step 4: Simplify right side
   51,151.96x = 2,189,074,693.02
5. Step 5: Solve for x
   x = 2,189,074,693.02/51,151.96
6. Step 6: Final answer
   x = 42,795.52