Finding the Fourth Proportional to 60,921.42, 91,396.71 and 30,860.70

Step by Step Solution

1. Step 1: Write the proportion equation
   60,921.42 : 91,396.71 = 30,860.70 : x
2. Step 2: Convert to fraction form
   60,921.42/91,396.71 = 30,860.70/x
3. Step 3: Cross multiply
   60,921.42x = 91,396.71 × 30,860.70
4. Step 4: Simplify right side
   60,921.42x = 2,820,565,989.83
5. Step 5: Solve for x
   x = 2,820,565,989.83/60,921.42
6. Step 6: Final answer
   x = 46,298.43