Finding the Fourth Proportional to 14,420.50, 19,900.32 and 7,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,420.50 : 19,900.32 = 7,796.50 : x
2. Step 2: Convert to fraction form
   14,420.50/19,900.32 = 7,796.50/x
3. Step 3: Cross multiply
   14,420.50x = 19,900.32 × 7,796.50
4. Step 4: Simplify right side
   14,420.50x = 155,152,844.88
5. Step 5: Solve for x
   x = 155,152,844.88/14,420.50
6. Step 6: Final answer
   x = 10,759.19