Finding the Fourth Proportional to 2,175.84, 3,003.17 and 1,292.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.84 : 3,003.17 = 1,292.15 : x
2. Step 2: Convert to fraction form
   2,175.84/3,003.17 = 1,292.15/x
3. Step 3: Cross multiply
   2,175.84x = 3,003.17 × 1,292.15
4. Step 4: Simplify right side
   2,175.84x = 3,880,546.12
5. Step 5: Solve for x
   x = 3,880,546.12/2,175.84
6. Step 6: Final answer
   x = 1,783.47