Finding the Fourth Proportional to 2,145.32, 2,960.52 and 1,201.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.32 : 2,960.52 = 1,201.13 : x
2. Step 2: Convert to fraction form
   2,145.32/2,960.52 = 1,201.13/x
3. Step 3: Cross multiply
   2,145.32x = 2,960.52 × 1,201.13
4. Step 4: Simplify right side
   2,145.32x = 3,555,954.59
5. Step 5: Solve for x
   x = 3,555,954.59/2,145.32
6. Step 6: Final answer
   x = 1,657.54