Finding the Fourth Proportional to 105,022.74, 157,487.54 and 30,125.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,022.74 : 157,487.54 = 30,125.82 : x
2. Step 2: Convert to fraction form
   105,022.74/157,487.54 = 30,125.82/x
3. Step 3: Cross multiply
   105,022.74x = 157,487.54 × 30,125.82
4. Step 4: Simplify right side
   105,022.74x = 4,744,441,131.65
5. Step 5: Solve for x
   x = 4,744,441,131.65/105,022.74
6. Step 6: Final answer
   x = 45,175.37