Finding the Fourth Proportional to 1,503,643.49, 2,075,025.77 and 815,314.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,643.49 : 2,075,025.77 = 815,314.10 : x
2. Step 2: Convert to fraction form
   1,503,643.49/2,075,025.77 = 815,314.10/x
3. Step 3: Cross multiply
   1,503,643.49x = 2,075,025.77 × 815,314.10
4. Step 4: Simplify right side
   1,503,643.49x = 1,691,797,762,401.30
5. Step 5: Solve for x
   x = 1,691,797,762,401.30/1,503,643.49
6. Step 6: Final answer
   x = 1,125,132.24