Finding the Fourth Proportional to 9,681.95, 13,359.47 and 5,703.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.95 : 13,359.47 = 5,703.86 : x
2. Step 2: Convert to fraction form
   9,681.95/13,359.47 = 5,703.86/x
3. Step 3: Cross multiply
   9,681.95x = 13,359.47 × 5,703.86
4. Step 4: Simplify right side
   9,681.95x = 76,200,451.24
5. Step 5: Solve for x
   x = 76,200,451.24/9,681.95
6. Step 6: Final answer
   x = 7,870.37