Finding the Fourth Proportional to 1,151.56, 1,588.81 and 672.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.56 : 1,588.81 = 672.93 : x
2. Step 2: Convert to fraction form
   1,151.56/1,588.81 = 672.93/x
3. Step 3: Cross multiply
   1,151.56x = 1,588.81 × 672.93
4. Step 4: Simplify right side
   1,151.56x = 1,069,157.91
5. Step 5: Solve for x
   x = 1,069,157.91/1,151.56
6. Step 6: Final answer
   x = 928.44