Finding the Fourth Proportional to 71,488.04, 107,162.31 and 34,038.05

Step by Step Solution

1. Step 1: Write the proportion equation
   71,488.04 : 107,162.31 = 34,038.05 : x
2. Step 2: Convert to fraction form
   71,488.04/107,162.31 = 34,038.05/x
3. Step 3: Cross multiply
   71,488.04x = 107,162.31 × 34,038.05
4. Step 4: Simplify right side
   71,488.04x = 3,647,595,530.08
5. Step 5: Solve for x
   x = 3,647,595,530.08/71,488.04
6. Step 6: Final answer
   x = 51,023.86