Finding the Fourth Proportional to 13,864.96, 19,133.60 and 7,577.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,864.96 : 19,133.60 = 7,577.34 : x
2. Step 2: Convert to fraction form
   13,864.96/19,133.60 = 7,577.34/x
3. Step 3: Cross multiply
   13,864.96x = 19,133.60 × 7,577.34
4. Step 4: Simplify right side
   13,864.96x = 144,981,715.90
5. Step 5: Solve for x
   x = 144,981,715.90/13,864.96
6. Step 6: Final answer
   x = 10,456.70