Finding the Fourth Proportional to 5,642,443.27, 7,788,955.16 and 3,809,384.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,642,443.27 : 7,788,955.16 = 3,809,384.31 : x
2. Step 2: Convert to fraction form
   5,642,443.27/7,788,955.16 = 3,809,384.31/x
3. Step 3: Cross multiply
   5,642,443.27x = 7,788,955.16 × 3,809,384.31
4. Step 4: Simplify right side
   5,642,443.27x = 29,671,123,577,797.54
5. Step 5: Solve for x
   x = 29,671,123,577,797.54/5,642,443.27
6. Step 6: Final answer
   x = 5,258,559.49