Finding the Fourth Proportional to 105,086.59, 157,574.22 and 45,853.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,086.59 : 157,574.22 = 45,853.09 : x
2. Step 2: Convert to fraction form
   105,086.59/157,574.22 = 45,853.09/x
3. Step 3: Cross multiply
   105,086.59x = 157,574.22 × 45,853.09
4. Step 4: Simplify right side
   105,086.59x = 7,225,264,891.34
5. Step 5: Solve for x
   x = 7,225,264,891.34/105,086.59
6. Step 6: Final answer
   x = 68,755.35