Finding the Fourth Proportional to 2,873.33, 3,967.72 and 1,812.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.33 : 3,967.72 = 1,812.98 : x
2. Step 2: Convert to fraction form
   2,873.33/3,967.72 = 1,812.98/x
3. Step 3: Cross multiply
   2,873.33x = 3,967.72 × 1,812.98
4. Step 4: Simplify right side
   2,873.33x = 7,193,402.39
5. Step 5: Solve for x
   x = 7,193,402.39/2,873.33
6. Step 6: Final answer
   x = 2,503.51