Finding the Fourth Proportional to 23,123.77, 31,907.39 and 13,560.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.77 : 31,907.39 = 13,560.04 : x
2. Step 2: Convert to fraction form
   23,123.77/31,907.39 = 13,560.04/x
3. Step 3: Cross multiply
   23,123.77x = 31,907.39 × 13,560.04
4. Step 4: Simplify right side
   23,123.77x = 432,665,484.70
5. Step 5: Solve for x
   x = 432,665,484.70/23,123.77
6. Step 6: Final answer
   x = 18,710.85