Finding the Fourth Proportional to 2,059,218.15, 3,089,118.83 and 639,126.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,218.15 : 3,089,118.83 = 639,126.15 : x
2. Step 2: Convert to fraction form
   2,059,218.15/3,089,118.83 = 639,126.15/x
3. Step 3: Cross multiply
   2,059,218.15x = 3,089,118.83 × 639,126.15
4. Step 4: Simplify right side
   2,059,218.15x = 1,974,336,621,514.77
5. Step 5: Solve for x
   x = 1,974,336,621,514.77/2,059,218.15
6. Step 6: Final answer
   x = 958,779.73