Finding the Fourth Proportional to 1,109,435.59, 1,530,610.18 and 819,745.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,435.59 : 1,530,610.18 = 819,745.57 : x
2. Step 2: Convert to fraction form
   1,109,435.59/1,530,610.18 = 819,745.57/x
3. Step 3: Cross multiply
   1,109,435.59x = 1,530,610.18 × 819,745.57
4. Step 4: Simplify right side
   1,109,435.59x = 1,254,710,914,451.90
5. Step 5: Solve for x
   x = 1,254,710,914,451.90/1,109,435.59
6. Step 6: Final answer
   x = 1,130,945.25