Finding the Fourth Proportional to 1,724,139.47, 2,379,499.40 and 949,849.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,139.47 : 2,379,499.40 = 949,849.67 : x
2. Step 2: Convert to fraction form
   1,724,139.47/2,379,499.40 = 949,849.67/x
3. Step 3: Cross multiply
   1,724,139.47x = 2,379,499.40 × 949,849.67
4. Step 4: Simplify right side
   1,724,139.47x = 2,260,166,728,178.57
5. Step 5: Solve for x
   x = 2,260,166,728,178.57/1,724,139.47
6. Step 6: Final answer
   x = 1,310,895.53