Finding the Fourth Proportional to 65,773.48, 90,769.86 and 37,478.44

Step by Step Solution

1. Step 1: Write the proportion equation
   65,773.48 : 90,769.86 = 37,478.44 : x
2. Step 2: Convert to fraction form
   65,773.48/90,769.86 = 37,478.44/x
3. Step 3: Cross multiply
   65,773.48x = 90,769.86 × 37,478.44
4. Step 4: Simplify right side
   65,773.48x = 3,401,912,751.82
5. Step 5: Solve for x
   x = 3,401,912,751.82/65,773.48
6. Step 6: Final answer
   x = 51,721.65