Finding the Fourth Proportional to 9,111.14, 12,574.58 and 5,133.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.14 : 12,574.58 = 5,133.04 : x
2. Step 2: Convert to fraction form
   9,111.14/12,574.58 = 5,133.04/x
3. Step 3: Cross multiply
   9,111.14x = 12,574.58 × 5,133.04
4. Step 4: Simplify right side
   9,111.14x = 64,545,822.12
5. Step 5: Solve for x
   x = 64,545,822.12/9,111.14
6. Step 6: Final answer
   x = 7,084.28