Finding the Fourth Proportional to 1,504.68, 2,076.72 and 875.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.68 : 2,076.72 = 875.10 : x
2. Step 2: Convert to fraction form
   1,504.68/2,076.72 = 875.10/x
3. Step 3: Cross multiply
   1,504.68x = 2,076.72 × 875.10
4. Step 4: Simplify right side
   1,504.68x = 1,817,337.67
5. Step 5: Solve for x
   x = 1,817,337.67/1,504.68
6. Step 6: Final answer
   x = 1,207.79