Finding the Fourth Proportional to 205,003.72, 307,482.72 and 55,258.93

Step by Step Solution

1. Step 1: Write the proportion equation
   205,003.72 : 307,482.72 = 55,258.93 : x
2. Step 2: Convert to fraction form
   205,003.72/307,482.72 = 55,258.93/x
3. Step 3: Cross multiply
   205,003.72x = 307,482.72 × 55,258.93
4. Step 4: Simplify right side
   205,003.72x = 16,991,166,100.69
5. Step 5: Solve for x
   x = 16,991,166,100.69/205,003.72
6. Step 6: Final answer
   x = 82,882.23