Finding the Fourth Proportional to 1,588.26, 2,191.89 and 925.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.26 : 2,191.89 = 925.32 : x
2. Step 2: Convert to fraction form
   1,588.26/2,191.89 = 925.32/x
3. Step 3: Cross multiply
   1,588.26x = 2,191.89 × 925.32
4. Step 4: Simplify right side
   1,588.26x = 2,028,199.65
5. Step 5: Solve for x
   x = 2,028,199.65/1,588.26
6. Step 6: Final answer
   x = 1,276.99