Finding the Fourth Proportional to 1,015,510, 1,401,403.80 and 562,830.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,510 : 1,401,403.80 = 562,830.16 : x
2. Step 2: Convert to fraction form
   1,015,510/1,401,403.80 = 562,830.16/x
3. Step 3: Cross multiply
   1,015,510x = 1,401,403.80 × 562,830.16
4. Step 4: Simplify right side
   1,015,510x = 788,752,324,978.61
5. Step 5: Solve for x
   x = 788,752,324,978.61/1,015,510
6. Step 6: Final answer
   x = 776,705.62