Finding the Fourth Proportional to 51,436.42, 70,983.21 and 29,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   51,436.42 : 70,983.21 = 29,080.42 : x
2. Step 2: Convert to fraction form
   51,436.42/70,983.21 = 29,080.42/x
3. Step 3: Cross multiply
   51,436.42x = 70,983.21 × 29,080.42
4. Step 4: Simplify right side
   51,436.42x = 2,064,221,559.75
5. Step 5: Solve for x
   x = 2,064,221,559.75/51,436.42
6. Step 6: Final answer
   x = 40,131.52