Finding the Fourth Proportional to 2,155.06, 2,973.84 and 1,270.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.06 : 2,973.84 = 1,270.69 : x
2. Step 2: Convert to fraction form
   2,155.06/2,973.84 = 1,270.69/x
3. Step 3: Cross multiply
   2,155.06x = 2,973.84 × 1,270.69
4. Step 4: Simplify right side
   2,155.06x = 3,778,828.75
5. Step 5: Solve for x
   x = 3,778,828.75/2,155.06
6. Step 6: Final answer
   x = 1,753.47