Finding the Fourth Proportional to 1,588.06, 2,191.74 and 925.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.06 : 2,191.74 = 925.12 : x
2. Step 2: Convert to fraction form
   1,588.06/2,191.74 = 925.12/x
3. Step 3: Cross multiply
   1,588.06x = 2,191.74 × 925.12
4. Step 4: Simplify right side
   1,588.06x = 2,027,617.03
5. Step 5: Solve for x
   x = 2,027,617.03/1,588.06
6. Step 6: Final answer
   x = 1,276.79