Finding the Fourth Proportional to 105,238.38, 157,089.89 and 91,952.22

Step by Step Solution

1. Step 1: Write the proportion equation
   105,238.38 : 157,089.89 = 91,952.22 : x
2. Step 2: Convert to fraction form
   105,238.38/157,089.89 = 91,952.22/x
3. Step 3: Cross multiply
   105,238.38x = 157,089.89 × 91,952.22
4. Step 4: Simplify right side
   105,238.38x = 14,444,763,665.29
5. Step 5: Solve for x
   x = 14,444,763,665.29/105,238.38
6. Step 6: Final answer
   x = 137,257.56