Finding the Fourth Proportional to 51,434.49, 70,970.67 and 30,218.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,434.49 : 70,970.67 = 30,218.16 : x
2. Step 2: Convert to fraction form
   51,434.49/70,970.67 = 30,218.16/x
3. Step 3: Cross multiply
   51,434.49x = 70,970.67 × 30,218.16
4. Step 4: Simplify right side
   51,434.49x = 2,144,603,061.37
5. Step 5: Solve for x
   x = 2,144,603,061.37/51,434.49
6. Step 6: Final answer
   x = 41,695.82