Finding the Fourth Proportional to 2,084.81, 2,873.72 and 1,642.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.81 : 2,873.72 = 1,642.01 : x
2. Step 2: Convert to fraction form
   2,084.81/2,873.72 = 1,642.01/x
3. Step 3: Cross multiply
   2,084.81x = 2,873.72 × 1,642.01
4. Step 4: Simplify right side
   2,084.81x = 4,718,666.71
5. Step 5: Solve for x
   x = 4,718,666.71/2,084.81
6. Step 6: Final answer
   x = 2,263.36