Finding the Fourth Proportional to 2,870.99, 3,961.93 and 1,612.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.99 : 3,961.93 = 1,612.01 : x
2. Step 2: Convert to fraction form
   2,870.99/3,961.93 = 1,612.01/x
3. Step 3: Cross multiply
   2,870.99x = 3,961.93 × 1,612.01
4. Step 4: Simplify right side
   2,870.99x = 6,386,662.72
5. Step 5: Solve for x
   x = 6,386,662.72/2,870.99
6. Step 6: Final answer
   x = 2,224.55