Finding the Fourth Proportional to 65,773.98, 90,770.55 and 37,478.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,773.98 : 90,770.55 = 37,478.94 : x
2. Step 2: Convert to fraction form
   65,773.98/90,770.55 = 37,478.94/x
3. Step 3: Cross multiply
   65,773.98x = 90,770.55 × 37,478.94
4. Step 4: Simplify right side
   65,773.98x = 3,401,983,997.22
5. Step 5: Solve for x
   x = 3,401,983,997.22/65,773.98
6. Step 6: Final answer
   x = 51,722.34