Finding the Fourth Proportional to 2,350.50, 3,525.80 and 890.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.50 : 3,525.80 = 890.34 : x
2. Step 2: Convert to fraction form
   2,350.50/3,525.80 = 890.34/x
3. Step 3: Cross multiply
   2,350.50x = 3,525.80 × 890.34
4. Step 4: Simplify right side
   2,350.50x = 3,139,156.32
5. Step 5: Solve for x
   x = 3,139,156.32/2,350.50
6. Step 6: Final answer
   x = 1,335.53