Finding the Fourth Proportional to 54,320.42, 74,955.57 and 30,441.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,320.42 : 74,955.57 = 30,441.98 : x
2. Step 2: Convert to fraction form
   54,320.42/74,955.57 = 30,441.98/x
3. Step 3: Cross multiply
   54,320.42x = 74,955.57 × 30,441.98
4. Step 4: Simplify right side
   54,320.42x = 2,281,795,962.83
5. Step 5: Solve for x
   x = 2,281,795,962.83/54,320.42
6. Step 6: Final answer
   x = 42,006.23