Finding the Fourth Proportional to 10,618.88, 14,654.39 and 5,904.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.88 : 14,654.39 = 5,904.09 : x
2. Step 2: Convert to fraction form
   10,618.88/14,654.39 = 5,904.09/x
3. Step 3: Cross multiply
   10,618.88x = 14,654.39 × 5,904.09
4. Step 4: Simplify right side
   10,618.88x = 86,520,807.93
5. Step 5: Solve for x
   x = 86,520,807.93/10,618.88
6. Step 6: Final answer
   x = 8,147.83