Finding the Fourth Proportional to 6,612.77, 9,914.43 and 3,100.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,612.77 : 9,914.43 = 3,100.81 : x
2. Step 2: Convert to fraction form
   6,612.77/9,914.43 = 3,100.81/x
3. Step 3: Cross multiply
   6,612.77x = 9,914.43 × 3,100.81
4. Step 4: Simplify right side
   6,612.77x = 30,742,763.69
5. Step 5: Solve for x
   x = 30,742,763.69/6,612.77
6. Step 6: Final answer
   x = 4,649.00