Finding the Fourth Proportional to 9,368,533,690.97, 12,928,499,972.67 and 5,081,736,279.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368,533,690.97 : 12,928,499,972.67 = 5,081,736,279.94 : x
2. Step 2: Convert to fraction form
   9,368,533,690.97/12,928,499,972.67 = 5,081,736,279.94/x
3. Step 3: Cross multiply
   9,368,533,690.97x = 12,928,499,972.67 × 5,081,736,279.94
4. Step 4: Simplify right side
   9,368,533,690.97x = 65,699,227,356,308,439,040
5. Step 5: Solve for x
   x = 65,699,227,356,308,439,040/9,368,533,690.97
6. Step 6: Final answer
   x = 7,012,754,559.41