Finding the Fourth Proportional to 105,933.41, 158,899.23 and 42,752.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,933.41 : 158,899.23 = 42,752.56 : x
2. Step 2: Convert to fraction form
   105,933.41/158,899.23 = 42,752.56/x
3. Step 3: Cross multiply
   105,933.41x = 158,899.23 × 42,752.56
4. Step 4: Simplify right side
   105,933.41x = 6,793,348,825.34
5. Step 5: Solve for x
   x = 6,793,348,825.34/105,933.41
6. Step 6: Final answer
   x = 64,128.48