Finding the Fourth Proportional to 2,136.96, 2,949.30 and 1,298.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.96 : 2,949.30 = 1,298.01 : x
2. Step 2: Convert to fraction form
   2,136.96/2,949.30 = 1,298.01/x
3. Step 3: Cross multiply
   2,136.96x = 2,949.30 × 1,298.01
4. Step 4: Simplify right side
   2,136.96x = 3,828,220.89
5. Step 5: Solve for x
   x = 3,828,220.89/2,136.96
6. Step 6: Final answer
   x = 1,791.43