Finding the Fourth Proportional to 1,326,259.50, 1,830,238.38 and 722,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326,259.50 : 1,830,238.38 = 722,647.50 : x
2. Step 2: Convert to fraction form
   1,326,259.50/1,830,238.38 = 722,647.50/x
3. Step 3: Cross multiply
   1,326,259.50x = 1,830,238.38 × 722,647.50
4. Step 4: Simplify right side
   1,326,259.50x = 1,322,617,189,711.05
5. Step 5: Solve for x
   x = 1,322,617,189,711.05/1,326,259.50
6. Step 6: Final answer
   x = 997,253.70