Finding the Fourth Proportional to 1,090.55, 1,504.82 and 671.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.55 : 1,504.82 = 671.00 : x
2. Step 2: Convert to fraction form
   1,090.55/1,504.82 = 671.00/x
3. Step 3: Cross multiply
   1,090.55x = 1,504.82 × 671.00
4. Step 4: Simplify right side
   1,090.55x = 1,009,723.34
5. Step 5: Solve for x
   x = 1,009,723.34/1,090.55
6. Step 6: Final answer
   x = 925.89