Finding the Fourth Proportional to 155,965.86, 233,990.25 and 49,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,965.86 : 233,990.25 = 49,351.72 : x
2. Step 2: Convert to fraction form
   155,965.86/233,990.25 = 49,351.72/x
3. Step 3: Cross multiply
   155,965.86x = 233,990.25 × 49,351.72
4. Step 4: Simplify right side
   155,965.86x = 11,547,820,530.69
5. Step 5: Solve for x
   x = 11,547,820,530.69/155,965.86
6. Step 6: Final answer
   x = 74,040.69