Finding the Fourth Proportional to 2,152,608.50, 3,229,309.50 and 890,534.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,608.50 : 3,229,309.50 = 890,534.54 : x
2. Step 2: Convert to fraction form
   2,152,608.50/3,229,309.50 = 890,534.54/x
3. Step 3: Cross multiply
   2,152,608.50x = 3,229,309.50 × 890,534.54
4. Step 4: Simplify right side
   2,152,608.50x = 2,875,811,650,100.13
5. Step 5: Solve for x
   x = 2,875,811,650,100.13/2,152,608.50
6. Step 6: Final answer
   x = 1,335,965.95