Finding the Fourth Proportional to 5,517,805,440.32, 7,624,531,980.72 and 3,929,139,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517,805,440.32 : 7,624,531,980.72 = 3,929,139,298.10 : x
2. Step 2: Convert to fraction form
   5,517,805,440.32/7,624,531,980.72 = 3,929,139,298.10/x
3. Step 3: Cross multiply
   5,517,805,440.32x = 7,624,531,980.72 × 3,929,139,298.10
4. Step 4: Simplify right side
   5,517,805,440.32x = 29,957,848,235,067,183,104
5. Step 5: Solve for x
   x = 29,957,848,235,067,183,104/5,517,805,440.32
6. Step 6: Final answer
   x = 5,429,304,921.87