Finding the Fourth Proportional to 14,162.78, 19,545 and 7,875.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,162.78 : 19,545 = 7,875.56 : x
2. Step 2: Convert to fraction form
   14,162.78/19,545 = 7,875.56/x
3. Step 3: Cross multiply
   14,162.78x = 19,545 × 7,875.56
4. Step 4: Simplify right side
   14,162.78x = 153,927,820.20
5. Step 5: Solve for x
   x = 153,927,820.20/14,162.78
6. Step 6: Final answer
   x = 10,868.47