Finding the Fourth Proportional to 2,981.82, 4,115.69 and 1,862.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.82 : 4,115.69 = 1,862.06 : x
2. Step 2: Convert to fraction form
   2,981.82/4,115.69 = 1,862.06/x
3. Step 3: Cross multiply
   2,981.82x = 4,115.69 × 1,862.06
4. Step 4: Simplify right side
   2,981.82x = 7,663,631.83
5. Step 5: Solve for x
   x = 7,663,631.83/2,981.82
6. Step 6: Final answer
   x = 2,570.12