Finding the Fourth Proportional to 1,153.02, 1,588.50 and 1,091.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.02 : 1,588.50 = 1,091.46 : x
2. Step 2: Convert to fraction form
   1,153.02/1,588.50 = 1,091.46/x
3. Step 3: Cross multiply
   1,153.02x = 1,588.50 × 1,091.46
4. Step 4: Simplify right side
   1,153.02x = 1,733,784.21
5. Step 5: Solve for x
   x = 1,733,784.21/1,153.02
6. Step 6: Final answer
   x = 1,503.69