Finding the Fourth Proportional to 2,227,898.72, 3,074,503.92 and 1,209,303.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,898.72 : 3,074,503.92 = 1,209,303.92 : x
2. Step 2: Convert to fraction form
   2,227,898.72/3,074,503.92 = 1,209,303.92/x
3. Step 3: Cross multiply
   2,227,898.72x = 3,074,503.92 × 1,209,303.92
4. Step 4: Simplify right side
   2,227,898.72x = 3,718,009,642,511.37
5. Step 5: Solve for x
   x = 3,718,009,642,511.37/2,227,898.72
6. Step 6: Final answer
   x = 1,668,841.41