Finding the Fourth Proportional to 5,111.33, 7,083.23 and 5,012.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.33 : 7,083.23 = 5,012.91 : x
2. Step 2: Convert to fraction form
   5,111.33/7,083.23 = 5,012.91/x
3. Step 3: Cross multiply
   5,111.33x = 7,083.23 × 5,012.91
4. Step 4: Simplify right side
   5,111.33x = 35,507,569.43
5. Step 5: Solve for x
   x = 35,507,569.43/5,111.33
6. Step 6: Final answer
   x = 6,946.84