Finding the Fourth Proportional to 14,054.72, 21,092.96 and 5,297.60

Step by Step Solution

1. Step 1: Write the proportion equation
   14,054.72 : 21,092.96 = 5,297.60 : x
2. Step 2: Convert to fraction form
   14,054.72/21,092.96 = 5,297.60/x
3. Step 3: Cross multiply
   14,054.72x = 21,092.96 × 5,297.60
4. Step 4: Simplify right side
   14,054.72x = 111,742,064.90
5. Step 5: Solve for x
   x = 111,742,064.90/14,054.72
6. Step 6: Final answer
   x = 7,950.50