Finding the Fourth Proportional to 2,059,570.08, 3,089,316.24 and 639,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,570.08 : 3,089,316.24 = 639,594.72 : x
2. Step 2: Convert to fraction form
   2,059,570.08/3,089,316.24 = 639,594.72/x
3. Step 3: Cross multiply
   2,059,570.08x = 3,089,316.24 × 639,594.72
4. Step 4: Simplify right side
   2,059,570.08x = 1,975,910,355,514.25
5. Step 5: Solve for x
   x = 1,975,910,355,514.25/2,059,570.08
6. Step 6: Final answer
   x = 959,380.01