Finding the Fourth Proportional to 1,606.02, 2,216.28 and 907.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.02 : 2,216.28 = 907.38 : x
2. Step 2: Convert to fraction form
   1,606.02/2,216.28 = 907.38/x
3. Step 3: Cross multiply
   1,606.02x = 2,216.28 × 907.38
4. Step 4: Simplify right side
   1,606.02x = 2,011,008.15
5. Step 5: Solve for x
   x = 2,011,008.15/1,606.02
6. Step 6: Final answer
   x = 1,252.17