Finding the Fourth Proportional to 1,007,007.46, 1,389,507.69 and 577,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,007.46 : 1,389,507.69 = 577,208.50 : x
2. Step 2: Convert to fraction form
   1,007,007.46/1,389,507.69 = 577,208.50/x
3. Step 3: Cross multiply
   1,007,007.46x = 1,389,507.69 × 577,208.50
4. Step 4: Simplify right side
   1,007,007.46x = 802,035,649,483.37
5. Step 5: Solve for x
   x = 802,035,649,483.37/1,007,007.46
6. Step 6: Final answer
   x = 796,454.53