Finding the Fourth Proportional to 508,958.78, 763,124.69 and 171,967.59

Step by Step Solution

1. Step 1: Write the proportion equation
   508,958.78 : 763,124.69 = 171,967.59 : x
2. Step 2: Convert to fraction form
   508,958.78/763,124.69 = 171,967.59/x
3. Step 3: Cross multiply
   508,958.78x = 763,124.69 × 171,967.59
4. Step 4: Simplify right side
   508,958.78x = 131,232,714,238.72
5. Step 5: Solve for x
   x = 131,232,714,238.72/508,958.78
6. Step 6: Final answer
   x = 257,845.47