Finding the Fourth Proportional to 2,978.57, 4,468.16 and 1,030.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.57 : 4,468.16 = 1,030.32 : x
2. Step 2: Convert to fraction form
   2,978.57/4,468.16 = 1,030.32/x
3. Step 3: Cross multiply
   2,978.57x = 4,468.16 × 1,030.32
4. Step 4: Simplify right side
   2,978.57x = 4,603,637.19
5. Step 5: Solve for x
   x = 4,603,637.19/2,978.57
6. Step 6: Final answer
   x = 1,545.59