Finding the Fourth Proportional to 2,202,388.32, 3,040,598.88 and 1,387,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202,388.32 : 3,040,598.88 = 1,387,290.72 : x
2. Step 2: Convert to fraction form
   2,202,388.32/3,040,598.88 = 1,387,290.72/x
3. Step 3: Cross multiply
   2,202,388.32x = 3,040,598.88 × 1,387,290.72
4. Step 4: Simplify right side
   2,202,388.32x = 4,218,194,609,466.39
5. Step 5: Solve for x
   x = 4,218,194,609,466.39/2,202,388.32
6. Step 6: Final answer
   x = 1,915,281.96