Finding the Fourth Proportional to 1,538.96, 2,123.96 and 875.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538.96 : 2,123.96 = 875.97 : x
2. Step 2: Convert to fraction form
   1,538.96/2,123.96 = 875.97/x
3. Step 3: Cross multiply
   1,538.96x = 2,123.96 × 875.97
4. Step 4: Simplify right side
   1,538.96x = 1,860,520.86
5. Step 5: Solve for x
   x = 1,860,520.86/1,538.96
6. Step 6: Final answer
   x = 1,208.95