Finding the Fourth Proportional to 70,911.72, 106,398.90 and 37,623.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,911.72 : 106,398.90 = 37,623.69 : x
2. Step 2: Convert to fraction form
   70,911.72/106,398.90 = 37,623.69/x
3. Step 3: Cross multiply
   70,911.72x = 106,398.90 × 37,623.69
4. Step 4: Simplify right side
   70,911.72x = 4,003,119,229.94
5. Step 5: Solve for x
   x = 4,003,119,229.94/70,911.72
6. Step 6: Final answer
   x = 56,452.15