Finding the Fourth Proportional to 173,386.27, 260,078.59 and 55,066.73

Step by Step Solution

1. Step 1: Write the proportion equation
   173,386.27 : 260,078.59 = 55,066.73 : x
2. Step 2: Convert to fraction form
   173,386.27/260,078.59 = 55,066.73/x
3. Step 3: Cross multiply
   173,386.27x = 260,078.59 × 55,066.73
4. Step 4: Simplify right side
   173,386.27x = 14,321,677,218.98
5. Step 5: Solve for x
   x = 14,321,677,218.98/173,386.27
6. Step 6: Final answer
   x = 82,599.84