Finding the Fourth Proportional to 10,036.16, 15,059.52 and 7,133.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,036.16 : 15,059.52 = 7,133.12 : x
2. Step 2: Convert to fraction form
   10,036.16/15,059.52 = 7,133.12/x
3. Step 3: Cross multiply
   10,036.16x = 15,059.52 × 7,133.12
4. Step 4: Simplify right side
   10,036.16x = 107,421,363.30
5. Step 5: Solve for x
   x = 107,421,363.30/10,036.16
6. Step 6: Final answer
   x = 10,703.43