Finding the Fourth Proportional to 1,588.72, 2,192.01 and 1,091.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.72 : 2,192.01 = 1,091.53 : x
2. Step 2: Convert to fraction form
   1,588.72/2,192.01 = 1,091.53/x
3. Step 3: Cross multiply
   1,588.72x = 2,192.01 × 1,091.53
4. Step 4: Simplify right side
   1,588.72x = 2,392,644.68
5. Step 5: Solve for x
   x = 2,392,644.68/1,588.72
6. Step 6: Final answer
   x = 1,506.02