Finding the Fourth Proportional to 1,290,925.89, 1,936,452.01 and 492,058.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,925.89 : 1,936,452.01 = 492,058.53 : x
2. Step 2: Convert to fraction form
   1,290,925.89/1,936,452.01 = 492,058.53/x
3. Step 3: Cross multiply
   1,290,925.89x = 1,936,452.01 × 492,058.53
4. Step 4: Simplify right side
   1,290,925.89x = 952,847,729,456.15
5. Step 5: Solve for x
   x = 952,847,729,456.15/1,290,925.89
6. Step 6: Final answer
   x = 738,111.88