Finding the Fourth Proportional to 1,666.32, 2,500.56 and 897.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.32 : 2,500.56 = 897.36 : x
2. Step 2: Convert to fraction form
   1,666.32/2,500.56 = 897.36/x
3. Step 3: Cross multiply
   1,666.32x = 2,500.56 × 897.36
4. Step 4: Simplify right side
   1,666.32x = 2,243,902.52
5. Step 5: Solve for x
   x = 2,243,902.52/1,666.32
6. Step 6: Final answer
   x = 1,346.62