Finding the Fourth Proportional to 1,560,389,401.55, 2,340,225,935.89 and 930,299,747.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,389,401.55 : 2,340,225,935.89 = 930,299,747.94 : x
2. Step 2: Convert to fraction form
   1,560,389,401.55/2,340,225,935.89 = 930,299,747.94/x
3. Step 3: Cross multiply
   1,560,389,401.55x = 2,340,225,935.89 × 930,299,747.94
4. Step 4: Simplify right side
   1,560,389,401.55x = 2,177,111,598,278,791,680
5. Step 5: Solve for x
   x = 2,177,111,598,278,791,680/1,560,389,401.55
6. Step 6: Final answer
   x = 1,395,236,084.09