Finding the Fourth Proportional to 1,015,184.72, 1,401,101.88 and 585,379.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,184.72 : 1,401,101.88 = 585,379.28 : x
2. Step 2: Convert to fraction form
   1,015,184.72/1,401,101.88 = 585,379.28/x
3. Step 3: Cross multiply
   1,015,184.72x = 1,401,101.88 × 585,379.28
4. Step 4: Simplify right side
   1,015,184.72x = 820,176,009,721.05
5. Step 5: Solve for x
   x = 820,176,009,721.05/1,015,184.72
6. Step 6: Final answer
   x = 807,908.15