Finding the Fourth Proportional to 2,592.02, 3,888.56 and 837.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.02 : 3,888.56 = 837.15 : x
2. Step 2: Convert to fraction form
   2,592.02/3,888.56 = 837.15/x
3. Step 3: Cross multiply
   2,592.02x = 3,888.56 × 837.15
4. Step 4: Simplify right side
   2,592.02x = 3,255,303.82
5. Step 5: Solve for x
   x = 3,255,303.82/2,592.02
6. Step 6: Final answer
   x = 1,255.90