Finding the Fourth Proportional to 3,154,338.72, 4,728,669.12 and 1,132,107.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,154,338.72 : 4,728,669.12 = 1,132,107.12 : x
2. Step 2: Convert to fraction form
   3,154,338.72/4,728,669.12 = 1,132,107.12/x
3. Step 3: Cross multiply
   3,154,338.72x = 4,728,669.12 × 1,132,107.12
4. Step 4: Simplify right side
   3,154,338.72x = 5,353,359,978,876.14
5. Step 5: Solve for x
   x = 5,353,359,978,876.14/3,154,338.72
6. Step 6: Final answer
   x = 1,697,141.76