Finding the Fourth Proportional to 9,931.71, 13,703.82 and 5,684.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,931.71 : 13,703.82 = 5,684.07 : x
2. Step 2: Convert to fraction form
   9,931.71/13,703.82 = 5,684.07/x
3. Step 3: Cross multiply
   9,931.71x = 13,703.82 × 5,684.07
4. Step 4: Simplify right side
   9,931.71x = 77,893,472.15
5. Step 5: Solve for x
   x = 77,893,472.15/9,931.71
6. Step 6: Final answer
   x = 7,842.91