Finding the Fourth Proportional to 1,333,993.50, 1,840,908.91 and 722,146.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,993.50 : 1,840,908.91 = 722,146.10 : x
2. Step 2: Convert to fraction form
   1,333,993.50/1,840,908.91 = 722,146.10/x
3. Step 3: Cross multiply
   1,333,993.50x = 1,840,908.91 × 722,146.10
4. Step 4: Simplify right side
   1,333,993.50x = 1,329,405,189,811.75
5. Step 5: Solve for x
   x = 1,329,405,189,811.75/1,333,993.50
6. Step 6: Final answer
   x = 996,560.47