Finding the Fourth Proportional to 1,015,499.75, 1,401,389.67 and 562,819.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,499.75 : 1,401,389.67 = 562,819.91 : x
2. Step 2: Convert to fraction form
   1,015,499.75/1,401,389.67 = 562,819.91/x
3. Step 3: Cross multiply
   1,015,499.75x = 1,401,389.67 × 562,819.91
4. Step 4: Simplify right side
   1,015,499.75x = 788,730,007,944.33
5. Step 5: Solve for x
   x = 788,730,007,944.33/1,015,499.75
6. Step 6: Final answer
   x = 776,691.48