Finding the Fourth Proportional to 2,978.14, 4,468.11 and 1,129.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.14 : 4,468.11 = 1,129.82 : x
2. Step 2: Convert to fraction form
   2,978.14/4,468.11 = 1,129.82/x
3. Step 3: Cross multiply
   2,978.14x = 4,468.11 × 1,129.82
4. Step 4: Simplify right side
   2,978.14x = 5,048,160.04
5. Step 5: Solve for x
   x = 5,048,160.04/2,978.14
6. Step 6: Final answer
   x = 1,695.07