Finding the Fourth Proportional to 65,481.12, 90,363.96 and 37,191.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,481.12 : 90,363.96 = 37,191.12 : x
2. Step 2: Convert to fraction form
   65,481.12/90,363.96 = 37,191.12/x
3. Step 3: Cross multiply
   65,481.12x = 90,363.96 × 37,191.12
4. Step 4: Simplify right side
   65,481.12x = 3,360,736,880.04
5. Step 5: Solve for x
   x = 3,360,736,880.04/65,481.12
6. Step 6: Final answer
   x = 51,323.75