Finding the Fourth Proportional to 200,667.08, 301,050.71 and 141,618.08

Step by Step Solution

1. Step 1: Write the proportion equation
   200,667.08 : 301,050.71 = 141,618.08 : x
2. Step 2: Convert to fraction form
   200,667.08/301,050.71 = 141,618.08/x
3. Step 3: Cross multiply
   200,667.08x = 301,050.71 × 141,618.08
4. Step 4: Simplify right side
   200,667.08x = 42,634,223,532.84
5. Step 5: Solve for x
   x = 42,634,223,532.84/200,667.08
6. Step 6: Final answer
   x = 212,462.47