Finding the Fourth Proportional to 185,144.86, 277,730.25 and 91,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185,144.86 : 277,730.25 = 91,625.50 : x
2. Step 2: Convert to fraction form
   185,144.86/277,730.25 = 91,625.50/x
3. Step 3: Cross multiply
   185,144.86x = 277,730.25 × 91,625.50
4. Step 4: Simplify right side
   185,144.86x = 25,447,173,021.38
5. Step 5: Solve for x
   x = 25,447,173,021.38/185,144.86
6. Step 6: Final answer
   x = 137,444.66