Finding the Fourth Proportional to 23,156.19, 34,705.82 and 13,169.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.19 : 34,705.82 = 13,169.31 : x
2. Step 2: Convert to fraction form
   23,156.19/34,705.82 = 13,169.31/x
3. Step 3: Cross multiply
   23,156.19x = 34,705.82 × 13,169.31
4. Step 4: Simplify right side
   23,156.19x = 457,051,636.54
5. Step 5: Solve for x
   x = 457,051,636.54/23,156.19
6. Step 6: Final answer
   x = 19,737.77