Finding the Fourth Proportional to 40,078.11, 55,560.72 and 37,945.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,078.11 : 55,560.72 = 37,945.10 : x
2. Step 2: Convert to fraction form
   40,078.11/55,560.72 = 37,945.10/x
3. Step 3: Cross multiply
   40,078.11x = 55,560.72 × 37,945.10
4. Step 4: Simplify right side
   40,078.11x = 2,108,256,798.67
5. Step 5: Solve for x
   x = 2,108,256,798.67/40,078.11
6. Step 6: Final answer
   x = 52,603.70