Finding the Fourth Proportional to 65,480.10, 90,363.16 and 37,185.99

Step by Step Solution

1. Step 1: Write the proportion equation
   65,480.10 : 90,363.16 = 37,185.99 : x
2. Step 2: Convert to fraction form
   65,480.10/90,363.16 = 37,185.99/x
3. Step 3: Cross multiply
   65,480.10x = 90,363.16 × 37,185.99
4. Step 4: Simplify right side
   65,480.10x = 3,360,243,019.35
5. Step 5: Solve for x
   x = 3,360,243,019.35/65,480.10
6. Step 6: Final answer
   x = 51,317.02