Finding the Fourth Proportional to 65,408.86, 90,261.56 and 37,113.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,408.86 : 90,261.56 = 37,113.94 : x
2. Step 2: Convert to fraction form
   65,408.86/90,261.56 = 37,113.94/x
3. Step 3: Cross multiply
   65,408.86x = 90,261.56 × 37,113.94
4. Step 4: Simplify right side
   65,408.86x = 3,349,962,122.15
5. Step 5: Solve for x
   x = 3,349,962,122.15/65,408.86
6. Step 6: Final answer
   x = 51,215.72