Finding the Fourth Proportional to 4,983,139.20, 7,483,003.20 and 2,740,886.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,983,139.20 : 7,483,003.20 = 2,740,886.40 : x
2. Step 2: Convert to fraction form
   4,983,139.20/7,483,003.20 = 2,740,886.40/x
3. Step 3: Cross multiply
   4,983,139.20x = 7,483,003.20 × 2,740,886.40
4. Step 4: Simplify right side
   4,983,139.20x = 20,510,061,702,036.48
5. Step 5: Solve for x
   x = 20,510,061,702,036.48/4,983,139.20
6. Step 6: Final answer
   x = 4,115,891.79