Finding the Fourth Proportional to 1,758,446.42, 2,637,300.50 and 495,978.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758,446.42 : 2,637,300.50 = 495,978.80 : x
2. Step 2: Convert to fraction form
   1,758,446.42/2,637,300.50 = 495,978.80/x
3. Step 3: Cross multiply
   1,758,446.42x = 2,637,300.50 × 495,978.80
4. Step 4: Simplify right side
   1,758,446.42x = 1,308,045,137,229.40
5. Step 5: Solve for x
   x = 1,308,045,137,229.40/1,758,446.42
6. Step 6: Final answer
   x = 743,864.08