Finding the Fourth Proportional to 105,304.90, 157,868.50 and 49,115.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,304.90 : 157,868.50 = 49,115.41 : x
2. Step 2: Convert to fraction form
   105,304.90/157,868.50 = 49,115.41/x
3. Step 3: Cross multiply
   105,304.90x = 157,868.50 × 49,115.41
4. Step 4: Simplify right side
   105,304.90x = 7,753,776,103.59
5. Step 5: Solve for x
   x = 7,753,776,103.59/105,304.90
6. Step 6: Final answer
   x = 73,631.67