Finding the Fourth Proportional to 57,150, 78,848.78 and 37,022.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,150 : 78,848.78 = 37,022.31 : x
2. Step 2: Convert to fraction form
   57,150/78,848.78 = 37,022.31/x
3. Step 3: Cross multiply
   57,150x = 78,848.78 × 37,022.31
4. Step 4: Simplify right side
   57,150x = 2,919,163,791.17
5. Step 5: Solve for x
   x = 2,919,163,791.17/57,150
6. Step 6: Final answer
   x = 51,078.98