Finding the Fourth Proportional to 342,757.82, 473,908.72 and 300,194.34

Step by Step Solution

1. Step 1: Write the proportion equation
   342,757.82 : 473,908.72 = 300,194.34 : x
2. Step 2: Convert to fraction form
   342,757.82/473,908.72 = 300,194.34/x
3. Step 3: Cross multiply
   342,757.82x = 473,908.72 × 300,194.34
4. Step 4: Simplify right side
   342,757.82x = 142,264,715,420.65
5. Step 5: Solve for x
   x = 142,264,715,420.65/342,757.82
6. Step 6: Final answer
   x = 415,058.99