Finding the Fourth Proportional to 1,920,603.72, 2,650,361.70 and 1,061,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,603.72 : 2,650,361.70 = 1,061,145.48 : x
2. Step 2: Convert to fraction form
   1,920,603.72/2,650,361.70 = 1,061,145.48/x
3. Step 3: Cross multiply
   1,920,603.72x = 2,650,361.70 × 1,061,145.48
4. Step 4: Simplify right side
   1,920,603.72x = 2,812,419,338,320.12
5. Step 5: Solve for x
   x = 2,812,419,338,320.12/1,920,603.72
6. Step 6: Final answer
   x = 1,464,341.29