Finding the Fourth Proportional to 2,978.61, 4,468.11 and 1,004.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.61 : 4,468.11 = 1,004.46 : x
2. Step 2: Convert to fraction form
   2,978.61/4,468.11 = 1,004.46/x
3. Step 3: Cross multiply
   2,978.61x = 4,468.11 × 1,004.46
4. Step 4: Simplify right side
   2,978.61x = 4,488,037.77
5. Step 5: Solve for x
   x = 4,488,037.77/2,978.61
6. Step 6: Final answer
   x = 1,506.76