Finding the Fourth Proportional to 2,870.02, 3,962.28 and 1,927.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.02 : 3,962.28 = 1,927.18 : x
2. Step 2: Convert to fraction form
   2,870.02/3,962.28 = 1,927.18/x
3. Step 3: Cross multiply
   2,870.02x = 3,962.28 × 1,927.18
4. Step 4: Simplify right side
   2,870.02x = 7,636,026.77
5. Step 5: Solve for x
   x = 7,636,026.77/2,870.02
6. Step 6: Final answer
   x = 2,660.62