Finding the Fourth Proportional to 2,386,977.72, 3,294,099.27 and 1,299,320.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386,977.72 : 3,294,099.27 = 1,299,320.25 : x
2. Step 2: Convert to fraction form
   2,386,977.72/3,294,099.27 = 1,299,320.25/x
3. Step 3: Cross multiply
   2,386,977.72x = 3,294,099.27 × 1,299,320.25
4. Step 4: Simplify right side
   2,386,977.72x = 4,280,089,887,021.22
5. Step 5: Solve for x
   x = 4,280,089,887,021.22/2,386,977.72
6. Step 6: Final answer
   x = 1,793,100.06