Finding the Fourth Proportional to 60,492.82, 90,757.65 and 30,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   60,492.82 : 90,757.65 = 30,931.42 : x
2. Step 2: Convert to fraction form
   60,492.82/90,757.65 = 30,931.42/x
3. Step 3: Cross multiply
   60,492.82x = 90,757.65 × 30,931.42
4. Step 4: Simplify right side
   60,492.82x = 2,807,262,990.36
5. Step 5: Solve for x
   x = 2,807,262,990.36/60,492.82
6. Step 6: Final answer
   x = 46,406.55