Finding the Fourth Proportional to 1,588.81, 2,192.78 and 925.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.81 : 2,192.78 = 925.87 : x
2. Step 2: Convert to fraction form
   1,588.81/2,192.78 = 925.87/x
3. Step 3: Cross multiply
   1,588.81x = 2,192.78 × 925.87
4. Step 4: Simplify right side
   1,588.81x = 2,030,224.59
5. Step 5: Solve for x
   x = 2,030,224.59/1,588.81
6. Step 6: Final answer
   x = 1,277.83