Finding the Fourth Proportional to 1,038.71, 1,558.00 and 552.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.71 : 1,558.00 = 552.04 : x
2. Step 2: Convert to fraction form
   1,038.71/1,558.00 = 552.04/x
3. Step 3: Cross multiply
   1,038.71x = 1,558.00 × 552.04
4. Step 4: Simplify right side
   1,038.71x = 860,067.77
5. Step 5: Solve for x
   x = 860,067.77/1,038.71
6. Step 6: Final answer
   x = 828.02