Finding the Fourth Proportional to 65,306.31, 90,123.73 and 36,632.34

Step by Step Solution

1. Step 1: Write the proportion equation
   65,306.31 : 90,123.73 = 36,632.34 : x
2. Step 2: Convert to fraction form
   65,306.31/90,123.73 = 36,632.34/x
3. Step 3: Cross multiply
   65,306.31x = 90,123.73 × 36,632.34
4. Step 4: Simplify right side
   65,306.31x = 3,301,443,119.43
5. Step 5: Solve for x
   x = 3,301,443,119.43/65,306.31
6. Step 6: Final answer
   x = 50,553.20