Finding the Fourth Proportional to 1,730,280.24, 2,591,939.88 and 863,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730,280.24 : 2,591,939.88 = 863,100.72 : x
2. Step 2: Convert to fraction form
   1,730,280.24/2,591,939.88 = 863,100.72/x
3. Step 3: Cross multiply
   1,730,280.24x = 2,591,939.88 × 863,100.72
4. Step 4: Simplify right side
   1,730,280.24x = 2,237,105,176,624.71
5. Step 5: Solve for x
   x = 2,237,105,176,624.71/1,730,280.24
6. Step 6: Final answer
   x = 1,292,914.94