Finding the Fourth Proportional to 9,131.58, 13,691.70 and 3,933

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.58 : 13,691.70 = 3,933 : x
2. Step 2: Convert to fraction form
   9,131.58/13,691.70 = 3,933/x
3. Step 3: Cross multiply
   9,131.58x = 13,691.70 × 3,933
4. Step 4: Simplify right side
   9,131.58x = 53,849,456.10
5. Step 5: Solve for x
   x = 53,849,456.10/9,131.58
6. Step 6: Final answer
   x = 5,897.06