Finding the Fourth Proportional to 11,904.96, 17,851.81 and 4,406.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904.96 : 17,851.81 = 4,406.05 : x
2. Step 2: Convert to fraction form
   11,904.96/17,851.81 = 4,406.05/x
3. Step 3: Cross multiply
   11,904.96x = 17,851.81 × 4,406.05
4. Step 4: Simplify right side
   11,904.96x = 78,655,967.45
5. Step 5: Solve for x
   x = 78,655,967.45/11,904.96
6. Step 6: Final answer
   x = 6,606.99