Finding the Fourth Proportional to 51,742.50, 71,404.74 and 29,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,742.50 : 71,404.74 = 29,386.50 : x
2. Step 2: Convert to fraction form
   51,742.50/71,404.74 = 29,386.50/x
3. Step 3: Cross multiply
   51,742.50x = 71,404.74 × 29,386.50
4. Step 4: Simplify right side
   51,742.50x = 2,098,335,392.01
5. Step 5: Solve for x
   x = 2,098,335,392.01/51,742.50
6. Step 6: Final answer
   x = 40,553.42