Finding the Fourth Proportional to 2,147,401.60, 3,218,337.60 and 1,646,281.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,401.60 : 3,218,337.60 = 1,646,281.60 : x
2. Step 2: Convert to fraction form
   2,147,401.60/3,218,337.60 = 1,646,281.60/x
3. Step 3: Cross multiply
   2,147,401.60x = 3,218,337.60 × 1,646,281.60
4. Step 4: Simplify right side
   2,147,401.60x = 5,298,289,973,468.16
5. Step 5: Solve for x
   x = 5,298,289,973,468.16/2,147,401.60
6. Step 6: Final answer
   x = 2,467,302.80