Finding the Fourth Proportional to 76,722.45, 115,132.82 and 37,258.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,722.45 : 115,132.82 = 37,258.03 : x
2. Step 2: Convert to fraction form
   76,722.45/115,132.82 = 37,258.03/x
3. Step 3: Cross multiply
   76,722.45x = 115,132.82 × 37,258.03
4. Step 4: Simplify right side
   76,722.45x = 4,289,622,061.54
5. Step 5: Solve for x
   x = 4,289,622,061.54/76,722.45
6. Step 6: Final answer
   x = 55,910.91