Finding the Fourth Proportional to 1,372.68, 1,893.96 and 875.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.68 : 1,893.96 = 875.12 : x
2. Step 2: Convert to fraction form
   1,372.68/1,893.96 = 875.12/x
3. Step 3: Cross multiply
   1,372.68x = 1,893.96 × 875.12
4. Step 4: Simplify right side
   1,372.68x = 1,657,442.28
5. Step 5: Solve for x
   x = 1,657,442.28/1,372.68
6. Step 6: Final answer
   x = 1,207.45