Finding the Fourth Proportional to 66,293.42, 91,483.17 and 36,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   66,293.42 : 91,483.17 = 36,078.10 : x
2. Step 2: Convert to fraction form
   66,293.42/91,483.17 = 36,078.10/x
3. Step 3: Cross multiply
   66,293.42x = 91,483.17 × 36,078.10
4. Step 4: Simplify right side
   66,293.42x = 3,300,538,637.33
5. Step 5: Solve for x
   x = 3,300,538,637.33/66,293.42
6. Step 6: Final answer
   x = 49,786.82