Finding the Fourth Proportional to 1,424,151.89, 2,134,751.57 and 890,447.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,151.89 : 2,134,751.57 = 890,447.34 : x
2. Step 2: Convert to fraction form
   1,424,151.89/2,134,751.57 = 890,447.34/x
3. Step 3: Cross multiply
   1,424,151.89x = 2,134,751.57 × 890,447.34
4. Step 4: Simplify right side
   1,424,151.89x = 1,900,883,863,959.58
5. Step 5: Solve for x
   x = 1,900,883,863,959.58/1,424,151.89
6. Step 6: Final answer
   x = 1,334,747.99