Finding the Fourth Proportional to 9,816.63, 13,545.94 and 5,566.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,816.63 : 13,545.94 = 5,566.83 : x
2. Step 2: Convert to fraction form
   9,816.63/13,545.94 = 5,566.83/x
3. Step 3: Cross multiply
   9,816.63x = 13,545.94 × 5,566.83
4. Step 4: Simplify right side
   9,816.63x = 75,407,945.17
5. Step 5: Solve for x
   x = 75,407,945.17/9,816.63
6. Step 6: Final answer
   x = 7,681.65