Finding the Fourth Proportional to 2,870.96, 3,961.86 and 1,612.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.96 : 3,961.86 = 1,612.02 : x
2. Step 2: Convert to fraction form
   2,870.96/3,961.86 = 1,612.02/x
3. Step 3: Cross multiply
   2,870.96x = 3,961.86 × 1,612.02
4. Step 4: Simplify right side
   2,870.96x = 6,386,597.56
5. Step 5: Solve for x
   x = 6,386,597.56/2,870.96
6. Step 6: Final answer
   x = 2,224.55