Finding the Fourth Proportional to 309,667.62, 464,451.71 and 84,975.58

Step by Step Solution

1. Step 1: Write the proportion equation
   309,667.62 : 464,451.71 = 84,975.58 : x
2. Step 2: Convert to fraction form
   309,667.62/464,451.71 = 84,975.58/x
3. Step 3: Cross multiply
   309,667.62x = 464,451.71 × 84,975.58
4. Step 4: Simplify right side
   309,667.62x = 39,467,053,953.42
5. Step 5: Solve for x
   x = 39,467,053,953.42/309,667.62
6. Step 6: Final answer
   x = 127,449.73