Finding the Fourth Proportional to 389,800.84, 584,731.50 and 123,576.52

Step by Step Solution

1. Step 1: Write the proportion equation
   389,800.84 : 584,731.50 = 123,576.52 : x
2. Step 2: Convert to fraction form
   389,800.84/584,731.50 = 123,576.52/x
3. Step 3: Cross multiply
   389,800.84x = 584,731.50 × 123,576.52
4. Step 4: Simplify right side
   389,800.84x = 72,259,083,904.38
5. Step 5: Solve for x
   x = 72,259,083,904.38/389,800.84
6. Step 6: Final answer
   x = 185,374.37