Finding the Fourth Proportional to 3,253,820.63, 4,879,747.98 and 978,740.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,253,820.63 : 4,879,747.98 = 978,740.91 : x
2. Step 2: Convert to fraction form
   3,253,820.63/4,879,747.98 = 978,740.91/x
3. Step 3: Cross multiply
   3,253,820.63x = 4,879,747.98 × 978,740.91
4. Step 4: Simplify right side
   3,253,820.63x = 4,776,008,978,515.86
5. Step 5: Solve for x
   x = 4,776,008,978,515.86/3,253,820.63
6. Step 6: Final answer
   x = 1,467,815.69