Finding the Fourth Proportional to 70,744.19, 105,991.34 and 37,390.41

Step by Step Solution

1. Step 1: Write the proportion equation
   70,744.19 : 105,991.34 = 37,390.41 : x
2. Step 2: Convert to fraction form
   70,744.19/105,991.34 = 37,390.41/x
3. Step 3: Cross multiply
   70,744.19x = 105,991.34 × 37,390.41
4. Step 4: Simplify right side
   70,744.19x = 3,963,059,472.10
5. Step 5: Solve for x
   x = 3,963,059,472.10/70,744.19
6. Step 6: Final answer
   x = 56,019.58