Finding the Fourth Proportional to 1,075,371.89, 1,483,839.53 and 616,401.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075,371.89 : 1,483,839.53 = 616,401.99 : x
2. Step 2: Convert to fraction form
   1,075,371.89/1,483,839.53 = 616,401.99/x
3. Step 3: Cross multiply
   1,075,371.89x = 1,483,839.53 × 616,401.99
4. Step 4: Simplify right side
   1,075,371.89x = 914,641,639,132.67
5. Step 5: Solve for x
   x = 914,641,639,132.67/1,075,371.89
6. Step 6: Final answer
   x = 850,535.20