Finding the Fourth Proportional to 2,142.12, 2,953.58 and 1,395.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.12 : 2,953.58 = 1,395.02 : x
2. Step 2: Convert to fraction form
   2,142.12/2,953.58 = 1,395.02/x
3. Step 3: Cross multiply
   2,142.12x = 2,953.58 × 1,395.02
4. Step 4: Simplify right side
   2,142.12x = 4,120,303.17
5. Step 5: Solve for x
   x = 4,120,303.17/2,142.12
6. Step 6: Final answer
   x = 1,923.47