Finding the Fourth Proportional to 5,111.24, 7,051.46 and 3,222.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.24 : 7,051.46 = 3,222.32 : x
2. Step 2: Convert to fraction form
   5,111.24/7,051.46 = 3,222.32/x
3. Step 3: Cross multiply
   5,111.24x = 7,051.46 × 3,222.32
4. Step 4: Simplify right side
   5,111.24x = 22,722,060.59
5. Step 5: Solve for x
   x = 22,722,060.59/5,111.24
6. Step 6: Final answer
   x = 4,445.51