Finding the Fourth Proportional to 9,278,404,088.67, 12,804,619,278.83 and 5,468,087,854.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,278,404,088.67 : 12,804,619,278.83 = 5,468,087,854.71 : x
2. Step 2: Convert to fraction form
   9,278,404,088.67/12,804,619,278.83 = 5,468,087,854.71/x
3. Step 3: Cross multiply
   9,278,404,088.67x = 12,804,619,278.83 × 5,468,087,854.71
4. Step 4: Simplify right side
   9,278,404,088.67x = 70,016,783,162,728,505,344
5. Step 5: Solve for x
   x = 70,016,783,162,728,505,344/9,278,404,088.67
6. Step 6: Final answer
   x = 7,546,209,724.60