Finding the Fourth Proportional to 1,007,494, 1,390,341.72 and 554,783.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,494 : 1,390,341.72 = 554,783.92 : x
2. Step 2: Convert to fraction form
   1,007,494/1,390,341.72 = 554,783.92/x
3. Step 3: Cross multiply
   1,007,494x = 1,390,341.72 × 554,783.92
4. Step 4: Simplify right side
   1,007,494x = 771,339,229,561.14
5. Step 5: Solve for x
   x = 771,339,229,561.14/1,007,494
6. Step 6: Final answer
   x = 765,601.81