Finding the Fourth Proportional to 5,897.73, 8,139.66 and 3,807.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,897.73 : 8,139.66 = 3,807.93 : x
2. Step 2: Convert to fraction form
   5,897.73/8,139.66 = 3,807.93/x
3. Step 3: Cross multiply
   5,897.73x = 8,139.66 × 3,807.93
4. Step 4: Simplify right side
   5,897.73x = 30,995,255.50
5. Step 5: Solve for x
   x = 30,995,255.50/5,897.73
6. Step 6: Final answer
   x = 5,255.46