Finding the Fourth Proportional to 1,089,870, 1,635,067.50 and 341,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,870 : 1,635,067.50 = 341,916 : x
2. Step 2: Convert to fraction form
   1,089,870/1,635,067.50 = 341,916/x
3. Step 3: Cross multiply
   1,089,870x = 1,635,067.50 × 341,916
4. Step 4: Simplify right side
   1,089,870x = 559,055,739,330
5. Step 5: Solve for x
   x = 559,055,739,330/1,089,870
6. Step 6: Final answer
   x = 512,956.35