Finding the Fourth Proportional to 1,002,648.32, 1,503,598.16 and 403,407.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,648.32 : 1,503,598.16 = 403,407.04 : x
2. Step 2: Convert to fraction form
   1,002,648.32/1,503,598.16 = 403,407.04/x
3. Step 3: Cross multiply
   1,002,648.32x = 1,503,598.16 × 403,407.04
4. Step 4: Simplify right side
   1,002,648.32x = 606,562,083,075.05
5. Step 5: Solve for x
   x = 606,562,083,075.05/1,002,648.32
6. Step 6: Final answer
   x = 604,959.96