Finding the Fourth Proportional to 14,320.90, 19,762.78 and 7,948.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,320.90 : 19,762.78 = 7,948.45 : x
2. Step 2: Convert to fraction form
   14,320.90/19,762.78 = 7,948.45/x
3. Step 3: Cross multiply
   14,320.90x = 19,762.78 × 7,948.45
4. Step 4: Simplify right side
   14,320.90x = 157,083,468.69
5. Step 5: Solve for x
   x = 157,083,468.69/14,320.90
6. Step 6: Final answer
   x = 10,968.83