Finding the Fourth Proportional to 11,428,928.58, 17,143,488.99 and 2,909,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,428,928.58 : 17,143,488.99 = 2,909,266.50 : x
2. Step 2: Convert to fraction form
   11,428,928.58/17,143,488.99 = 2,909,266.50/x
3. Step 3: Cross multiply
   11,428,928.58x = 17,143,488.99 × 2,909,266.50
4. Step 4: Simplify right side
   11,428,928.58x = 49,874,978,211,725.83
5. Step 5: Solve for x
   x = 49,874,978,211,725.83/11,428,928.58
6. Step 6: Final answer
   x = 4,363,924.22