Finding the Fourth Proportional to 65,773.74, 90,768.75 and 37,478.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,773.74 : 90,768.75 = 37,478.82 : x
2. Step 2: Convert to fraction form
   65,773.74/90,768.75 = 37,478.82/x
3. Step 3: Cross multiply
   65,773.74x = 90,768.75 × 37,478.82
4. Step 4: Simplify right side
   65,773.74x = 3,401,905,642.88
5. Step 5: Solve for x
   x = 3,401,905,642.88/65,773.74
6. Step 6: Final answer
   x = 51,721.34