Finding the Fourth Proportional to 10,928,613.49, 16,391,796.88 and 3,641,286.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928,613.49 : 16,391,796.88 = 3,641,286.18 : x
2. Step 2: Convert to fraction form
   10,928,613.49/16,391,796.88 = 3,641,286.18/x
3. Step 3: Cross multiply
   10,928,613.49x = 16,391,796.88 × 3,641,286.18
4. Step 4: Simplify right side
   10,928,613.49x = 59,687,223,444,511.12
5. Step 5: Solve for x
   x = 59,687,223,444,511.12/10,928,613.49
6. Step 6: Final answer
   x = 5,461,554.98