Finding the Fourth Proportional to 2,871,196.20, 4,306,448.70 and 1,188,124.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871,196.20 : 4,306,448.70 = 1,188,124.20 : x
2. Step 2: Convert to fraction form
   2,871,196.20/4,306,448.70 = 1,188,124.20/x
3. Step 3: Cross multiply
   2,871,196.20x = 4,306,448.70 × 1,188,124.20
4. Step 4: Simplify right side
   2,871,196.20x = 5,116,595,916,528.54
5. Step 5: Solve for x
   x = 5,116,595,916,528.54/2,871,196.20
6. Step 6: Final answer
   x = 1,782,043.29