Finding the Fourth Proportional to 9,813.47, 13,537.82 and 5,831.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,813.47 : 13,537.82 = 5,831.76 : x
2. Step 2: Convert to fraction form
   9,813.47/13,537.82 = 5,831.76/x
3. Step 3: Cross multiply
   9,813.47x = 13,537.82 × 5,831.76
4. Step 4: Simplify right side
   9,813.47x = 78,949,349.71
5. Step 5: Solve for x
   x = 78,949,349.71/9,813.47
6. Step 6: Final answer
   x = 8,045.00