Finding the Fourth Proportional to 143,833.10, 201,103.90 and 143,833.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,833.10 : 201,103.90 = 143,833.10 : x
2. Step 2: Convert to fraction form
   143,833.10/201,103.90 = 143,833.10/x
3. Step 3: Cross multiply
   143,833.10x = 201,103.90 × 143,833.10
4. Step 4: Simplify right side
   143,833.10x = 28,925,397,359.09
5. Step 5: Solve for x
   x = 28,925,397,359.09/143,833.10
6. Step 6: Final answer
   x = 201,103.90