Finding the Fourth Proportional to 2,152.72, 2,971.11 and 1,269.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.72 : 2,971.11 = 1,269.01 : x
2. Step 2: Convert to fraction form
   2,152.72/2,971.11 = 1,269.01/x
3. Step 3: Cross multiply
   2,152.72x = 2,971.11 × 1,269.01
4. Step 4: Simplify right side
   2,152.72x = 3,770,376.77
5. Step 5: Solve for x
   x = 3,770,376.77/2,152.72
6. Step 6: Final answer
   x = 1,751.45