Finding the Fourth Proportional to 7,013,791,078.52, 10,519,371,307.38 and 3,519,258,268.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013,791,078.52 : 10,519,371,307.38 = 3,519,258,268.28 : x
2. Step 2: Convert to fraction form
   7,013,791,078.52/10,519,371,307.38 = 3,519,258,268.28/x
3. Step 3: Cross multiply
   7,013,791,078.52x = 10,519,371,307.38 × 3,519,258,268.28
4. Step 4: Simplify right side
   7,013,791,078.52x = 37,020,384,450,604,457,984
5. Step 5: Solve for x
   x = 37,020,384,450,604,457,984/7,013,791,078.52
6. Step 6: Final answer
   x = 5,278,227,428.81