Finding the Fourth Proportional to 2,153.35, 2,972.01 and 1,269.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.35 : 2,972.01 = 1,269.10 : x
2. Step 2: Convert to fraction form
   2,153.35/2,972.01 = 1,269.10/x
3. Step 3: Cross multiply
   2,153.35x = 2,972.01 × 1,269.10
4. Step 4: Simplify right side
   2,153.35x = 3,771,777.89
5. Step 5: Solve for x
   x = 3,771,777.89/2,153.35
6. Step 6: Final answer
   x = 1,751.59