Finding the Fourth Proportional to 3,058.88, 4,588.83 and 978.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,058.88 : 4,588.83 = 978.93 : x
2. Step 2: Convert to fraction form
   3,058.88/4,588.83 = 978.93/x
3. Step 3: Cross multiply
   3,058.88x = 4,588.83 × 978.93
4. Step 4: Simplify right side
   3,058.88x = 4,492,143.35
5. Step 5: Solve for x
   x = 4,492,143.35/3,058.88
6. Step 6: Final answer
   x = 1,468.56