Finding the Fourth Proportional to 105,547.88, 158,308.76 and 38,986.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,547.88 : 158,308.76 = 38,986.54 : x
2. Step 2: Convert to fraction form
   105,547.88/158,308.76 = 38,986.54/x
3. Step 3: Cross multiply
   105,547.88x = 158,308.76 × 38,986.54
4. Step 4: Simplify right side
   105,547.88x = 6,171,910,505.78
5. Step 5: Solve for x
   x = 6,171,910,505.78/105,547.88
6. Step 6: Final answer
   x = 58,474.98