Finding the Fourth Proportional to 1,402.07, 1,933.54 and 1,108.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.07 : 1,933.54 = 1,108.04 : x
2. Step 2: Convert to fraction form
   1,402.07/1,933.54 = 1,108.04/x
3. Step 3: Cross multiply
   1,402.07x = 1,933.54 × 1,108.04
4. Step 4: Simplify right side
   1,402.07x = 2,142,427.22
5. Step 5: Solve for x
   x = 2,142,427.22/1,402.07
6. Step 6: Final answer
   x = 1,528.05