Finding the Fourth Proportional to 11,870.83, 17,813.10 and 4,480.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.83 : 17,813.10 = 4,480.48 : x
2. Step 2: Convert to fraction form
   11,870.83/17,813.10 = 4,480.48/x
3. Step 3: Cross multiply
   11,870.83x = 17,813.10 × 4,480.48
4. Step 4: Simplify right side
   11,870.83x = 79,811,238.29
5. Step 5: Solve for x
   x = 79,811,238.29/11,870.83
6. Step 6: Final answer
   x = 6,723.31