Finding the Fourth Proportional to 1,111.94, 1,667.32 and 556.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.94 : 1,667.32 = 556.04 : x
2. Step 2: Convert to fraction form
   1,111.94/1,667.32 = 556.04/x
3. Step 3: Cross multiply
   1,111.94x = 1,667.32 × 556.04
4. Step 4: Simplify right side
   1,111.94x = 927,096.61
5. Step 5: Solve for x
   x = 927,096.61/1,111.94
6. Step 6: Final answer
   x = 833.76