Finding the Fourth Proportional to 2,177.33, 3,003.93 and 1,431.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.33 : 3,003.93 = 1,431.69 : x
2. Step 2: Convert to fraction form
   2,177.33/3,003.93 = 1,431.69/x
3. Step 3: Cross multiply
   2,177.33x = 3,003.93 × 1,431.69
4. Step 4: Simplify right side
   2,177.33x = 4,300,696.54
5. Step 5: Solve for x
   x = 4,300,696.54/2,177.33
6. Step 6: Final answer
   x = 1,975.22