Finding the Fourth Proportional to 65,675.81, 90,632.72 and 37,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,675.81 : 90,632.72 = 37,381.50 : x
2. Step 2: Convert to fraction form
   65,675.81/90,632.72 = 37,381.50/x
3. Step 3: Cross multiply
   65,675.81x = 90,632.72 × 37,381.50
4. Step 4: Simplify right side
   65,675.81x = 3,387,987,116.13
5. Step 5: Solve for x
   x = 3,387,987,116.13/65,675.81
6. Step 6: Final answer
   x = 51,586.53