Finding the Fourth Proportional to 65,303.07, 90,123.60 and 36,622.18

Step by Step Solution

1. Step 1: Write the proportion equation
   65,303.07 : 90,123.60 = 36,622.18 : x
2. Step 2: Convert to fraction form
   65,303.07/90,123.60 = 36,622.18/x
3. Step 3: Cross multiply
   65,303.07x = 90,123.60 × 36,622.18
4. Step 4: Simplify right side
   65,303.07x = 3,300,522,701.45
5. Step 5: Solve for x
   x = 3,300,522,701.45/65,303.07
6. Step 6: Final answer
   x = 50,541.62