Finding the Fourth Proportional to 1,175.72, 1,755.00 and 1,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175.72 : 1,755.00 = 1,090.07 : x
2. Step 2: Convert to fraction form
   1,175.72/1,755.00 = 1,090.07/x
3. Step 3: Cross multiply
   1,175.72x = 1,755.00 × 1,090.07
4. Step 4: Simplify right side
   1,175.72x = 1,913,058.62
5. Step 5: Solve for x
   x = 1,913,058.62/1,175.72
6. Step 6: Final answer
   x = 1,627.14