Finding the Fourth Proportional to 2,152,498.96, 3,229,146 and 890,425

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,498.96 : 3,229,146 = 890,425 : x
2. Step 2: Convert to fraction form
   2,152,498.96/3,229,146 = 890,425/x
3. Step 3: Cross multiply
   2,152,498.96x = 3,229,146 × 890,425
4. Step 4: Simplify right side
   2,152,498.96x = 2,875,312,327,050
5. Step 5: Solve for x
   x = 2,875,312,327,050/2,152,498.96
6. Step 6: Final answer
   x = 1,335,801.96