Finding the Fourth Proportional to 1,915.62, 2,870.07 and 1,364.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.62 : 2,870.07 = 1,364.94 : x
2. Step 2: Convert to fraction form
   1,915.62/2,870.07 = 1,364.94/x
3. Step 3: Cross multiply
   1,915.62x = 2,870.07 × 1,364.94
4. Step 4: Simplify right side
   1,915.62x = 3,917,473.35
5. Step 5: Solve for x
   x = 3,917,473.35/1,915.62
6. Step 6: Final answer
   x = 2,045.02