Finding the Fourth Proportional to 10,620.21, 14,654.17 and 5,904.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,620.21 : 14,654.17 = 5,904.37 : x
2. Step 2: Convert to fraction form
   10,620.21/14,654.17 = 5,904.37/x
3. Step 3: Cross multiply
   10,620.21x = 14,654.17 × 5,904.37
4. Step 4: Simplify right side
   10,620.21x = 86,523,612.20
5. Step 5: Solve for x
   x = 86,523,612.20/10,620.21
6. Step 6: Final answer
   x = 8,147.07