Finding the Fourth Proportional to 51,434.18, 70,979.73 and 30,214.34

Step by Step Solution

1. Step 1: Write the proportion equation
   51,434.18 : 70,979.73 = 30,214.34 : x
2. Step 2: Convert to fraction form
   51,434.18/70,979.73 = 30,214.34/x
3. Step 3: Cross multiply
   51,434.18x = 70,979.73 × 30,214.34
4. Step 4: Simplify right side
   51,434.18x = 2,144,605,695.33
5. Step 5: Solve for x
   x = 2,144,605,695.33/51,434.18
6. Step 6: Final answer
   x = 41,696.12