Finding the Fourth Proportional to 65,494.17, 90,376.56 and 38,637.81

Step by Step Solution

1. Step 1: Write the proportion equation
   65,494.17 : 90,376.56 = 38,637.81 : x
2. Step 2: Convert to fraction form
   65,494.17/90,376.56 = 38,637.81/x
3. Step 3: Cross multiply
   65,494.17x = 90,376.56 × 38,637.81
4. Step 4: Simplify right side
   65,494.17x = 3,491,952,353.73
5. Step 5: Solve for x
   x = 3,491,952,353.73/65,494.17
6. Step 6: Final answer
   x = 53,317.00