Finding the Fourth Proportional to 105,948.17, 158,921.29 and 42,723.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,948.17 : 158,921.29 = 42,723.52 : x
2. Step 2: Convert to fraction form
   105,948.17/158,921.29 = 42,723.52/x
3. Step 3: Cross multiply
   105,948.17x = 158,921.29 × 42,723.52
4. Step 4: Simplify right side
   105,948.17x = 6,789,676,698.12
5. Step 5: Solve for x
   x = 6,789,676,698.12/105,948.17
6. Step 6: Final answer
   x = 64,084.89