Finding the Fourth Proportional to 2,978.48, 4,467.75 and 1,130.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.48 : 4,467.75 = 1,130.46 : x
2. Step 2: Convert to fraction form
   2,978.48/4,467.75 = 1,130.46/x
3. Step 3: Cross multiply
   2,978.48x = 4,467.75 × 1,130.46
4. Step 4: Simplify right side
   2,978.48x = 5,050,612.67
5. Step 5: Solve for x
   x = 5,050,612.67/2,978.48
6. Step 6: Final answer
   x = 1,695.70