Finding the Fourth Proportional to 7,816.83, 10,776 and 5,574.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,816.83 : 10,776 = 5,574.81 : x
2. Step 2: Convert to fraction form
   7,816.83/10,776 = 5,574.81/x
3. Step 3: Cross multiply
   7,816.83x = 10,776 × 5,574.81
4. Step 4: Simplify right side
   7,816.83x = 60,074,152.56
5. Step 5: Solve for x
   x = 60,074,152.56/7,816.83
6. Step 6: Final answer
   x = 7,685.23