Finding the Fourth Proportional to 2,129,603.94, 2,938,506.73 and 1,258,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,603.94 : 2,938,506.73 = 1,258,317.25 : x
2. Step 2: Convert to fraction form
   2,129,603.94/2,938,506.73 = 1,258,317.25/x
3. Step 3: Cross multiply
   2,129,603.94x = 2,938,506.73 × 1,258,317.25
4. Step 4: Simplify right side
   2,129,603.94x = 3,697,573,697,108.03
5. Step 5: Solve for x
   x = 3,697,573,697,108.03/2,129,603.94
6. Step 6: Final answer
   x = 1,736,272.94