Finding the Fourth Proportional to 51,301.68, 70,796.61 and 30,081.30

Step by Step Solution

1. Step 1: Write the proportion equation
   51,301.68 : 70,796.61 = 30,081.30 : x
2. Step 2: Convert to fraction form
   51,301.68/70,796.61 = 30,081.30/x
3. Step 3: Cross multiply
   51,301.68x = 70,796.61 × 30,081.30
4. Step 4: Simplify right side
   51,301.68x = 2,129,654,064.39
5. Step 5: Solve for x
   x = 2,129,654,064.39/51,301.68
6. Step 6: Final answer
   x = 41,512.36