Finding the Fourth Proportional to 155,978.79, 233,987.63 and 50,769.51

Step by Step Solution

1. Step 1: Write the proportion equation
   155,978.79 : 233,987.63 = 50,769.51 : x
2. Step 2: Convert to fraction form
   155,978.79/233,987.63 = 50,769.51/x
3. Step 3: Cross multiply
   155,978.79x = 233,987.63 × 50,769.51
4. Step 4: Simplify right side
   155,978.79x = 11,879,437,067.31
5. Step 5: Solve for x
   x = 11,879,437,067.31/155,978.79
6. Step 6: Final answer
   x = 76,160.59