Finding the Fourth Proportional to 1,314,072.39, 1,813,420.25 and 725,372.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,072.39 : 1,813,420.25 = 725,372.18 : x
2. Step 2: Convert to fraction form
   1,314,072.39/1,813,420.25 = 725,372.18/x
3. Step 3: Cross multiply
   1,314,072.39x = 1,813,420.25 × 725,372.18
4. Step 4: Simplify right side
   1,314,072.39x = 1,315,404,596,825.15
5. Step 5: Solve for x
   x = 1,315,404,596,825.15/1,314,072.39
6. Step 6: Final answer
   x = 1,001,013.80