Finding the Fourth Proportional to 2,227,688.74, 3,074,128.23 and 1,209,071.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,688.74 : 3,074,128.23 = 1,209,071.62 : x
2. Step 2: Convert to fraction form
   2,227,688.74/3,074,128.23 = 1,209,071.62/x
3. Step 3: Cross multiply
   2,227,688.74x = 3,074,128.23 × 1,209,071.62
4. Step 4: Simplify right side
   2,227,688.74x = 3,716,841,199,133.83
5. Step 5: Solve for x
   x = 3,716,841,199,133.83/2,227,688.74
6. Step 6: Final answer
   x = 1,668,474.20