Finding the Fourth Proportional to 7,104.59, 9,807.64 and 5,061.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,104.59 : 9,807.64 = 5,061.81 : x
2. Step 2: Convert to fraction form
   7,104.59/9,807.64 = 5,061.81/x
3. Step 3: Cross multiply
   7,104.59x = 9,807.64 × 5,061.81
4. Step 4: Simplify right side
   7,104.59x = 49,644,434.35
5. Step 5: Solve for x
   x = 49,644,434.35/7,104.59
6. Step 6: Final answer
   x = 6,987.66