Finding the Fourth Proportional to 1,372.83, 1,894.20 and 875.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.83 : 1,894.20 = 875.16 : x
2. Step 2: Convert to fraction form
   1,372.83/1,894.20 = 875.16/x
3. Step 3: Cross multiply
   1,372.83x = 1,894.20 × 875.16
4. Step 4: Simplify right side
   1,372.83x = 1,657,728.07
5. Step 5: Solve for x
   x = 1,657,728.07/1,372.83
6. Step 6: Final answer
   x = 1,207.53