Finding the Fourth Proportional to 1,402.03, 1,931.74 and 1,008.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.03 : 1,931.74 = 1,008.37 : x
2. Step 2: Convert to fraction form
   1,402.03/1,931.74 = 1,008.37/x
3. Step 3: Cross multiply
   1,402.03x = 1,931.74 × 1,008.37
4. Step 4: Simplify right side
   1,402.03x = 1,947,908.66
5. Step 5: Solve for x
   x = 1,947,908.66/1,402.03
6. Step 6: Final answer
   x = 1,389.35