Finding the Fourth Proportional to 105,677.86, 158,534.61 and 35,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,677.86 : 158,534.61 = 35,540.50 : x
2. Step 2: Convert to fraction form
   105,677.86/158,534.61 = 35,540.50/x
3. Step 3: Cross multiply
   105,677.86x = 158,534.61 × 35,540.50
4. Step 4: Simplify right side
   105,677.86x = 5,634,399,306.71
5. Step 5: Solve for x
   x = 5,634,399,306.71/105,677.86
6. Step 6: Final answer
   x = 53,316.74