Finding the Fourth Proportional to 3,484.83, 4,809.32 and 2,158.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,484.83 : 4,809.32 = 2,158.59 : x
2. Step 2: Convert to fraction form
   3,484.83/4,809.32 = 2,158.59/x
3. Step 3: Cross multiply
   3,484.83x = 4,809.32 × 2,158.59
4. Step 4: Simplify right side
   3,484.83x = 10,381,350.06
5. Step 5: Solve for x
   x = 10,381,350.06/3,484.83
6. Step 6: Final answer
   x = 2,979.01