Finding the Fourth Proportional to 2,227,733.12, 3,074,189.46 and 1,209,116.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,733.12 : 3,074,189.46 = 1,209,116.00 : x
2. Step 2: Convert to fraction form
   2,227,733.12/3,074,189.46 = 1,209,116.00/x
3. Step 3: Cross multiply
   2,227,733.12x = 3,074,189.46 × 1,209,116.00
4. Step 4: Simplify right side
   2,227,733.12x = 3,717,051,647,746.41
5. Step 5: Solve for x
   x = 3,717,051,647,746.41/2,227,733.12
6. Step 6: Final answer
   x = 1,668,535.44