Finding the Fourth Proportional to 13,860.32, 19,127.50 and 7,572.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,860.32 : 19,127.50 = 7,572.56 : x
2. Step 2: Convert to fraction form
   13,860.32/19,127.50 = 7,572.56/x
3. Step 3: Cross multiply
   13,860.32x = 19,127.50 × 7,572.56
4. Step 4: Simplify right side
   13,860.32x = 144,844,141.40
5. Step 5: Solve for x
   x = 144,844,141.40/13,860.32
6. Step 6: Final answer
   x = 10,450.27