Finding the Fourth Proportional to 2,977.62, 4,467.03 and 1,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,977.62 : 4,467.03 = 1,128.69 : x
2. Step 2: Convert to fraction form
   2,977.62/4,467.03 = 1,128.69/x
3. Step 3: Cross multiply
   2,977.62x = 4,467.03 × 1,128.69
4. Step 4: Simplify right side
   2,977.62x = 5,041,892.09
5. Step 5: Solve for x
   x = 5,041,892.09/2,977.62
6. Step 6: Final answer
   x = 1,693.26