Finding the Fourth Proportional to 17,156, 23,678.56 and 9,704

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156 : 23,678.56 = 9,704 : x
2. Step 2: Convert to fraction form
   17,156/23,678.56 = 9,704/x
3. Step 3: Cross multiply
   17,156x = 23,678.56 × 9,704
4. Step 4: Simplify right side
   17,156x = 229,776,746.24
5. Step 5: Solve for x
   x = 229,776,746.24/17,156
6. Step 6: Final answer
   x = 13,393.38