Finding the Fourth Proportional to 55,040.12, 75,978.61 and 37,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,040.12 : 75,978.61 = 37,159.34 : x
2. Step 2: Convert to fraction form
   55,040.12/75,978.61 = 37,159.34/x
3. Step 3: Cross multiply
   55,040.12x = 75,978.61 × 37,159.34
4. Step 4: Simplify right side
   55,040.12x = 2,823,315,001.72
5. Step 5: Solve for x
   x = 2,823,315,001.72/55,040.12
6. Step 6: Final answer
   x = 51,295.59