Finding the Fourth Proportional to 2,122,941,109.40, 2,929,667,609.57 and 1,170,300,939.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,941,109.40 : 2,929,667,609.57 = 1,170,300,939.75 : x
2. Step 2: Convert to fraction form
   2,122,941,109.40/2,929,667,609.57 = 1,170,300,939.75/x
3. Step 3: Cross multiply
   2,122,941,109.40x = 2,929,667,609.57 × 1,170,300,939.75
4. Step 4: Simplify right side
   2,122,941,109.40x = 3,428,592,756,635,492,352
5. Step 5: Solve for x
   x = 3,428,592,756,635,492,352/2,122,941,109.40
6. Step 6: Final answer
   x = 1,615,020,191.31