Finding the Fourth Proportional to 65,948.20, 91,040.04 and 37,648.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,948.20 : 91,040.04 = 37,648.42 : x
2. Step 2: Convert to fraction form
   65,948.20/91,040.04 = 37,648.42/x
3. Step 3: Cross multiply
   65,948.20x = 91,040.04 × 37,648.42
4. Step 4: Simplify right side
   65,948.20x = 3,427,513,662.74
5. Step 5: Solve for x
   x = 3,427,513,662.74/65,948.20
6. Step 6: Final answer
   x = 51,972.82