Finding the Fourth Proportional to 65,613.15, 90,499.48 and 43,798.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,613.15 : 90,499.48 = 43,798.42 : x
2. Step 2: Convert to fraction form
   65,613.15/90,499.48 = 43,798.42/x
3. Step 3: Cross multiply
   65,613.15x = 90,499.48 × 43,798.42
4. Step 4: Simplify right side
   65,613.15x = 3,963,734,234.82
5. Step 5: Solve for x
   x = 3,963,734,234.82/65,613.15
6. Step 6: Final answer
   x = 60,410.67