Finding the Fourth Proportional to 959,671.22, 1,439,510.89 and 249,647.99

Step by Step Solution

1. Step 1: Write the proportion equation
   959,671.22 : 1,439,510.89 = 249,647.99 : x
2. Step 2: Convert to fraction form
   959,671.22/1,439,510.89 = 249,647.99/x
3. Step 3: Cross multiply
   959,671.22x = 1,439,510.89 × 249,647.99
4. Step 4: Simplify right side
   959,671.22x = 359,371,003,246.27
5. Step 5: Solve for x
   x = 359,371,003,246.27/959,671.22
6. Step 6: Final answer
   x = 374,473.05