Finding the Fourth Proportional to 1,103.02, 1,656.59 and 971.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.02 : 1,656.59 = 971.30 : x
2. Step 2: Convert to fraction form
   1,103.02/1,656.59 = 971.30/x
3. Step 3: Cross multiply
   1,103.02x = 1,656.59 × 971.30
4. Step 4: Simplify right side
   1,103.02x = 1,609,045.87
5. Step 5: Solve for x
   x = 1,609,045.87/1,103.02
6. Step 6: Final answer
   x = 1,458.76