Finding the Fourth Proportional to 17,654.79, 26,479.26 and 5,808.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,654.79 : 26,479.26 = 5,808.72 : x
2. Step 2: Convert to fraction form
   17,654.79/26,479.26 = 5,808.72/x
3. Step 3: Cross multiply
   17,654.79x = 26,479.26 × 5,808.72
4. Step 4: Simplify right side
   17,654.79x = 153,810,607.15
5. Step 5: Solve for x
   x = 153,810,607.15/17,654.79
6. Step 6: Final answer
   x = 8,712.12