Finding the Fourth Proportional to 3,990,522.30, 5,985,561.30 and 3,546,326.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,522.30 : 5,985,561.30 = 3,546,326.10 : x
2. Step 2: Convert to fraction form
   3,990,522.30/5,985,561.30 = 3,546,326.10/x
3. Step 3: Cross multiply
   3,990,522.30x = 5,985,561.30 × 3,546,326.10
4. Step 4: Simplify right side
   3,990,522.30x = 21,226,752,261,339.93
5. Step 5: Solve for x
   x = 21,226,752,261,339.93/3,990,522.30
6. Step 6: Final answer
   x = 5,319,291.73