Finding the Fourth Proportional to 2,435.83, 3,656.32 and 1,979.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.83 : 3,656.32 = 1,979.12 : x
2. Step 2: Convert to fraction form
   2,435.83/3,656.32 = 1,979.12/x
3. Step 3: Cross multiply
   2,435.83x = 3,656.32 × 1,979.12
4. Step 4: Simplify right side
   2,435.83x = 7,236,298.89
5. Step 5: Solve for x
   x = 7,236,298.89/2,435.83
6. Step 6: Final answer
   x = 2,970.78