Finding the Fourth Proportional to 105,112.89, 157,575.59 and 38,537.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.89 : 157,575.59 = 38,537.51 : x
2. Step 2: Convert to fraction form
   105,112.89/157,575.59 = 38,537.51/x
3. Step 3: Cross multiply
   105,112.89x = 157,575.59 × 38,537.51
4. Step 4: Simplify right side
   105,112.89x = 6,072,569,894.82
5. Step 5: Solve for x
   x = 6,072,569,894.82/105,112.89
6. Step 6: Final answer
   x = 57,771.89