Finding the Fourth Proportional to 2,100.32, 2,896.80 and 1,823.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.32 : 2,896.80 = 1,823.84 : x
2. Step 2: Convert to fraction form
   2,100.32/2,896.80 = 1,823.84/x
3. Step 3: Cross multiply
   2,100.32x = 2,896.80 × 1,823.84
4. Step 4: Simplify right side
   2,100.32x = 5,283,299.71
5. Step 5: Solve for x
   x = 5,283,299.71/2,100.32
6. Step 6: Final answer
   x = 2,515.47