Finding the Fourth Proportional to 2,485,904.64, 3,428,604.72 and 1,615,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,904.64 : 3,428,604.72 = 1,615,020 : x
2. Step 2: Convert to fraction form
   2,485,904.64/3,428,604.72 = 1,615,020/x
3. Step 3: Cross multiply
   2,485,904.64x = 3,428,604.72 × 1,615,020
4. Step 4: Simplify right side
   2,485,904.64x = 5,537,265,194,894.40
5. Step 5: Solve for x
   x = 5,537,265,194,894.40/2,485,904.64
6. Step 6: Final answer
   x = 2,227,464.85