Finding the Fourth Proportional to 105,433.49, 158,158.34 and 30,554.66

Step by Step Solution

1. Step 1: Write the proportion equation
   105,433.49 : 158,158.34 = 30,554.66 : x
2. Step 2: Convert to fraction form
   105,433.49/158,158.34 = 30,554.66/x
3. Step 3: Cross multiply
   105,433.49x = 158,158.34 × 30,554.66
4. Step 4: Simplify right side
   105,433.49x = 4,832,474,304.86
5. Step 5: Solve for x
   x = 4,832,474,304.86/105,433.49
6. Step 6: Final answer
   x = 45,834.34