Finding the Fourth Proportional to 2,390,156,401.19, 3,585,241,327.83 and 916,747,853.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,156,401.19 : 3,585,241,327.83 = 916,747,853.96 : x
2. Step 2: Convert to fraction form
   2,390,156,401.19/3,585,241,327.83 = 916,747,853.96/x
3. Step 3: Cross multiply
   2,390,156,401.19x = 3,585,241,327.83 × 916,747,853.96
4. Step 4: Simplify right side
   2,390,156,401.19x = 3,286,762,293,216,853,504
5. Step 5: Solve for x
   x = 3,286,762,293,216,853,504/2,390,156,401.19
6. Step 6: Final answer
   x = 1,375,124,360.72