Finding the Fourth Proportional to 137,641.89, 206,323.43 and 93,273.15

Step by Step Solution

1. Step 1: Write the proportion equation
   137,641.89 : 206,323.43 = 93,273.15 : x
2. Step 2: Convert to fraction form
   137,641.89/206,323.43 = 93,273.15/x
3. Step 3: Cross multiply
   137,641.89x = 206,323.43 × 93,273.15
4. Step 4: Simplify right side
   137,641.89x = 19,244,435,768.54
5. Step 5: Solve for x
   x = 19,244,435,768.54/137,641.89
6. Step 6: Final answer
   x = 139,815.25