Finding the Fourth Proportional to 13,929.52, 19,223.72 and 7,962.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,929.52 : 19,223.72 = 7,962.08 : x
2. Step 2: Convert to fraction form
   13,929.52/19,223.72 = 7,962.08/x
3. Step 3: Cross multiply
   13,929.52x = 19,223.72 × 7,962.08
4. Step 4: Simplify right side
   13,929.52x = 153,060,796.54
5. Step 5: Solve for x
   x = 153,060,796.54/13,929.52
6. Step 6: Final answer
   x = 10,988.23