Finding the Fourth Proportional to 1,103.02, 1,656.82 and 1,066.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.02 : 1,656.82 = 1,066.13 : x
2. Step 2: Convert to fraction form
   1,103.02/1,656.82 = 1,066.13/x
3. Step 3: Cross multiply
   1,103.02x = 1,656.82 × 1,066.13
4. Step 4: Simplify right side
   1,103.02x = 1,766,384.77
5. Step 5: Solve for x
   x = 1,766,384.77/1,103.02
6. Step 6: Final answer
   x = 1,601.41