Finding the Fourth Proportional to 143,964.10, 201,287.30 and 143,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,964.10 : 201,287.30 = 143,964.10 : x
2. Step 2: Convert to fraction form
   143,964.10/201,287.30 = 143,964.10/x
3. Step 3: Cross multiply
   143,964.10x = 201,287.30 × 143,964.10
4. Step 4: Simplify right side
   143,964.10x = 28,978,144,985.93
5. Step 5: Solve for x
   x = 28,978,144,985.93/143,964.10
6. Step 6: Final answer
   x = 201,287.30