Finding the Fourth Proportional to 2,389,836.72, 3,581,277.75 and 1,477,070.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,836.72 : 3,581,277.75 = 1,477,070.40 : x
2. Step 2: Convert to fraction form
   2,389,836.72/3,581,277.75 = 1,477,070.40/x
3. Step 3: Cross multiply
   2,389,836.72x = 3,581,277.75 × 1,477,070.40
4. Step 4: Simplify right side
   2,389,836.72x = 5,289,799,353,164.59
5. Step 5: Solve for x
   x = 5,289,799,353,164.59/2,389,836.72
6. Step 6: Final answer
   x = 2,213,456.39