Finding the Fourth Proportional to 1,089,581.68, 1,634,372.52 and 341,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,581.68 : 1,634,372.52 = 341,686 : x
2. Step 2: Convert to fraction form
   1,089,581.68/1,634,372.52 = 341,686/x
3. Step 3: Cross multiply
   1,089,581.68x = 1,634,372.52 × 341,686
4. Step 4: Simplify right side
   1,089,581.68x = 558,442,208,868.72
5. Step 5: Solve for x
   x = 558,442,208,868.72/1,089,581.68
6. Step 6: Final answer
   x = 512,529