Finding the Fourth Proportional to 2,931,886,620.96, 4,399,928,139.12 and 1,066,528,710.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,886,620.96 : 4,399,928,139.12 = 1,066,528,710.88 : x
2. Step 2: Convert to fraction form
   2,931,886,620.96/4,399,928,139.12 = 1,066,528,710.88/x
3. Step 3: Cross multiply
   2,931,886,620.96x = 4,399,928,139.12 × 1,066,528,710.88
4. Step 4: Simplify right side
   2,931,886,620.96x = 4,692,649,686,180,290,560
5. Step 5: Solve for x
   x = 4,692,649,686,180,290,560/2,931,886,620.96
6. Step 6: Final answer
   x = 1,600,556,328.69