Finding the Fourth Proportional to 43,029.72, 59,364.42 and 31,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   43,029.72 : 59,364.42 = 31,726.10 : x
2. Step 2: Convert to fraction form
   43,029.72/59,364.42 = 31,726.10/x
3. Step 3: Cross multiply
   43,029.72x = 59,364.42 × 31,726.10
4. Step 4: Simplify right side
   43,029.72x = 1,883,401,525.36
5. Step 5: Solve for x
   x = 1,883,401,525.36/43,029.72
6. Step 6: Final answer
   x = 43,769.78