Finding the Fourth Proportional to 1,417.02, 2,126.93 and 930.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.02 : 2,126.93 = 930.42 : x
2. Step 2: Convert to fraction form
   1,417.02/2,126.93 = 930.42/x
3. Step 3: Cross multiply
   1,417.02x = 2,126.93 × 930.42
4. Step 4: Simplify right side
   1,417.02x = 1,978,933.56
5. Step 5: Solve for x
   x = 1,978,933.56/1,417.02
6. Step 6: Final answer
   x = 1,396.55