Finding the Fourth Proportional to 1,475.34, 2,209.90 and 888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.34 : 2,209.90 = 888.50 : x
2. Step 2: Convert to fraction form
   1,475.34/2,209.90 = 888.50/x
3. Step 3: Cross multiply
   1,475.34x = 2,209.90 × 888.50
4. Step 4: Simplify right side
   1,475.34x = 1,963,496.15
5. Step 5: Solve for x
   x = 1,963,496.15/1,475.34
6. Step 6: Final answer
   x = 1,330.88