Finding the Fourth Proportional to 1,433,401.56, 1,977,648.82 and 813,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,401.56 : 1,977,648.82 = 813,104.50 : x
2. Step 2: Convert to fraction form
   1,433,401.56/1,977,648.82 = 813,104.50/x
3. Step 3: Cross multiply
   1,433,401.56x = 1,977,648.82 × 813,104.50
4. Step 4: Simplify right side
   1,433,401.56x = 1,608,035,147,984.81
5. Step 5: Solve for x
   x = 1,608,035,147,984.81/1,433,401.56
6. Step 6: Final answer
   x = 1,121,831.59