Finding the Fourth Proportional to 2,926.22, 4,386.69 and 1,281.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.22 : 4,386.69 = 1,281.87 : x
2. Step 2: Convert to fraction form
   2,926.22/4,386.69 = 1,281.87/x
3. Step 3: Cross multiply
   2,926.22x = 4,386.69 × 1,281.87
4. Step 4: Simplify right side
   2,926.22x = 5,623,166.31
5. Step 5: Solve for x
   x = 5,623,166.31/2,926.22
6. Step 6: Final answer
   x = 1,921.65