Finding the Fourth Proportional to 65,402.05, 90,256.55 and 36,724.00

Step by Step Solution

1. Step 1: Write the proportion equation
   65,402.05 : 90,256.55 = 36,724.00 : x
2. Step 2: Convert to fraction form
   65,402.05/90,256.55 = 36,724.00/x
3. Step 3: Cross multiply
   65,402.05x = 90,256.55 × 36,724.00
4. Step 4: Simplify right side
   65,402.05x = 3,314,581,295.55
5. Step 5: Solve for x
   x = 3,314,581,295.55/65,402.05
6. Step 6: Final answer
   x = 50,680.09