Finding the Fourth Proportional to 2,656,973,996.28, 3,983,919,091.72 and 1,257,946,523.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,973,996.28 : 3,983,919,091.72 = 1,257,946,523.06 : x
2. Step 2: Convert to fraction form
   2,656,973,996.28/3,983,919,091.72 = 1,257,946,523.06/x
3. Step 3: Cross multiply
   2,656,973,996.28x = 3,983,919,091.72 × 1,257,946,523.06
4. Step 4: Simplify right side
   2,656,973,996.28x = 5,011,557,169,581,527,040
5. Step 5: Solve for x
   x = 5,011,557,169,581,527,040/2,656,973,996.28
6. Step 6: Final answer
   x = 1,886,189,769.49