Finding the Fourth Proportional to 2,617,599.78, 3,928,499.46 and 1,355,788.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,599.78 : 3,928,499.46 = 1,355,788.26 : x
2. Step 2: Convert to fraction form
   2,617,599.78/3,928,499.46 = 1,355,788.26/x
3. Step 3: Cross multiply
   2,617,599.78x = 3,928,499.46 × 1,355,788.26
4. Step 4: Simplify right side
   2,617,599.78x = 5,326,213,447,284.34
5. Step 5: Solve for x
   x = 5,326,213,447,284.34/2,617,599.78
6. Step 6: Final answer
   x = 2,034,769.98