Finding the Fourth Proportional to 14,189.32, 19,581.24 and 7,903.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,189.32 : 19,581.24 = 7,903.18 : x
2. Step 2: Convert to fraction form
   14,189.32/19,581.24 = 7,903.18/x
3. Step 3: Cross multiply
   14,189.32x = 19,581.24 × 7,903.18
4. Step 4: Simplify right side
   14,189.32x = 154,754,064.34
5. Step 5: Solve for x
   x = 154,754,064.34/14,189.32
6. Step 6: Final answer
   x = 10,906.38