Finding the Fourth Proportional to 1,920,640.50, 2,650,537.38 and 1,061,256.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,640.50 : 2,650,537.38 = 1,061,256.42 : x
2. Step 2: Convert to fraction form
   1,920,640.50/2,650,537.38 = 1,061,256.42/x
3. Step 3: Cross multiply
   1,920,640.50x = 2,650,537.38 × 1,061,256.42
4. Step 4: Simplify right side
   1,920,640.50x = 2,812,899,810,974.98
5. Step 5: Solve for x
   x = 2,812,899,810,974.98/1,920,640.50
6. Step 6: Final answer
   x = 1,464,563.42