Finding the Fourth Proportional to 105,061.73, 157,571.39 and 38,479.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.73 : 157,571.39 = 38,479.12 : x
2. Step 2: Convert to fraction form
   105,061.73/157,571.39 = 38,479.12/x
3. Step 3: Cross multiply
   105,061.73x = 157,571.39 × 38,479.12
4. Step 4: Simplify right side
   105,061.73x = 6,063,208,126.65
5. Step 5: Solve for x
   x = 6,063,208,126.65/105,061.73
6. Step 6: Final answer
   x = 57,710.91