Finding the Fourth Proportional to 1,158.32, 1,598.52 and 634.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.32 : 1,598.52 = 634.35 : x
2. Step 2: Convert to fraction form
   1,158.32/1,598.52 = 634.35/x
3. Step 3: Cross multiply
   1,158.32x = 1,598.52 × 634.35
4. Step 4: Simplify right side
   1,158.32x = 1,014,021.16
5. Step 5: Solve for x
   x = 1,014,021.16/1,158.32
6. Step 6: Final answer
   x = 875.42