Finding the Fourth Proportional to 2,886.16, 3,981.72 and 1,837.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.16 : 3,981.72 = 1,837.84 : x
2. Step 2: Convert to fraction form
   2,886.16/3,981.72 = 1,837.84/x
3. Step 3: Cross multiply
   2,886.16x = 3,981.72 × 1,837.84
4. Step 4: Simplify right side
   2,886.16x = 7,317,764.28
5. Step 5: Solve for x
   x = 7,317,764.28/2,886.16
6. Step 6: Final answer
   x = 2,535.47