Finding the Fourth Proportional to 9,761.47, 13,468.92 and 5,783.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.47 : 13,468.92 = 5,783.35 : x
2. Step 2: Convert to fraction form
   9,761.47/13,468.92 = 5,783.35/x
3. Step 3: Cross multiply
   9,761.47x = 13,468.92 × 5,783.35
4. Step 4: Simplify right side
   9,761.47x = 77,895,478.48
5. Step 5: Solve for x
   x = 77,895,478.48/9,761.47
6. Step 6: Final answer
   x = 7,979.89