Finding the Fourth Proportional to 1,588.34, 2,191.76 and 925.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.34 : 2,191.76 = 925.18 : x
2. Step 2: Convert to fraction form
   1,588.34/2,191.76 = 925.18/x
3. Step 3: Cross multiply
   1,588.34x = 2,191.76 × 925.18
4. Step 4: Simplify right side
   1,588.34x = 2,027,772.52
5. Step 5: Solve for x
   x = 2,027,772.52/1,588.34
6. Step 6: Final answer
   x = 1,276.66