Finding the Fourth Proportional to 170,196.15, 255,303.83 and 51,871.35

Step by Step Solution

1. Step 1: Write the proportion equation
   170,196.15 : 255,303.83 = 51,871.35 : x
2. Step 2: Convert to fraction form
   170,196.15/255,303.83 = 51,871.35/x
3. Step 3: Cross multiply
   170,196.15x = 255,303.83 × 51,871.35
4. Step 4: Simplify right side
   170,196.15x = 13,242,954,322.27
5. Step 5: Solve for x
   x = 13,242,954,322.27/170,196.15
6. Step 6: Final answer
   x = 77,809.95