Finding the Fourth Proportional to 12,385.01, 18,583.59 and 5,811.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.01 : 18,583.59 = 5,811.73 : x
2. Step 2: Convert to fraction form
   12,385.01/18,583.59 = 5,811.73/x
3. Step 3: Cross multiply
   12,385.01x = 18,583.59 × 5,811.73
4. Step 4: Simplify right side
   12,385.01x = 108,002,807.51
5. Step 5: Solve for x
   x = 108,002,807.51/12,385.01
6. Step 6: Final answer
   x = 8,720.45