Finding the Fourth Proportional to 14,128.02, 19,496.52 and 7,840.44

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.02 : 19,496.52 = 7,840.44 : x
2. Step 2: Convert to fraction form
   14,128.02/19,496.52 = 7,840.44/x
3. Step 3: Cross multiply
   14,128.02x = 19,496.52 × 7,840.44
4. Step 4: Simplify right side
   14,128.02x = 152,861,295.27
5. Step 5: Solve for x
   x = 152,861,295.27/14,128.02
6. Step 6: Final answer
   x = 10,819.73