Finding the Fourth Proportional to 1,015,472, 1,401,366.72 and 556,582.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,472 : 1,401,366.72 = 556,582.88 : x
2. Step 2: Convert to fraction form
   1,015,472/1,401,366.72 = 556,582.88/x
3. Step 3: Cross multiply
   1,015,472x = 1,401,366.72 × 556,582.88
4. Step 4: Simplify right side
   1,015,472x = 779,976,724,953.75
5. Step 5: Solve for x
   x = 779,976,724,953.75/1,015,472
6. Step 6: Final answer
   x = 768,092.79