Finding the Fourth Proportional to 143,849.60, 201,127 and 143,849.60

Step by Step Solution

1. Step 1: Write the proportion equation
   143,849.60 : 201,127 = 143,849.60 : x
2. Step 2: Convert to fraction form
   143,849.60/201,127 = 143,849.60/x
3. Step 3: Cross multiply
   143,849.60x = 201,127 × 143,849.60
4. Step 4: Simplify right side
   143,849.60x = 28,932,038,499.20
5. Step 5: Solve for x
   x = 28,932,038,499.20/143,849.60
6. Step 6: Final answer
   x = 201,127