Finding the Fourth Proportional to 173,321.96, 259,992.18 and 55,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   173,321.96 : 259,992.18 = 55,002.56 : x
2. Step 2: Convert to fraction form
   173,321.96/259,992.18 = 55,002.56/x
3. Step 3: Cross multiply
   173,321.96x = 259,992.18 × 55,002.56
4. Step 4: Simplify right side
   173,321.96x = 14,300,235,479.98
5. Step 5: Solve for x
   x = 14,300,235,479.98/173,321.96
6. Step 6: Final answer
   x = 82,506.77