Finding the Fourth Proportional to 2,209,099.55, 3,048,538.28 and 1,242,209.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,099.55 : 3,048,538.28 = 1,242,209.23 : x
2. Step 2: Convert to fraction form
   2,209,099.55/3,048,538.28 = 1,242,209.23/x
3. Step 3: Cross multiply
   2,209,099.55x = 3,048,538.28 × 1,242,209.23
4. Step 4: Simplify right side
   2,209,099.55x = 3,786,922,375,591.93
5. Step 5: Solve for x
   x = 3,786,922,375,591.93/2,209,099.55
6. Step 6: Final answer
   x = 1,714,238.00