Finding the Fourth Proportional to 65,948.15, 91,012.91 and 37,257.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,948.15 : 91,012.91 = 37,257.86 : x
2. Step 2: Convert to fraction form
   65,948.15/91,012.91 = 37,257.86/x
3. Step 3: Cross multiply
   65,948.15x = 91,012.91 × 37,257.86
4. Step 4: Simplify right side
   65,948.15x = 3,390,945,617.62
5. Step 5: Solve for x
   x = 3,390,945,617.62/65,948.15
6. Step 6: Final answer
   x = 51,418.36