Finding the Fourth Proportional to 123,948.36, 185,889.33 and 53,811

Step by Step Solution

1. Step 1: Write the proportion equation
   123,948.36 : 185,889.33 = 53,811 : x
2. Step 2: Convert to fraction form
   123,948.36/185,889.33 = 53,811/x
3. Step 3: Cross multiply
   123,948.36x = 185,889.33 × 53,811
4. Step 4: Simplify right side
   123,948.36x = 10,002,890,736.63
5. Step 5: Solve for x
   x = 10,002,890,736.63/123,948.36
6. Step 6: Final answer
   x = 80,702.08