Finding the Fourth Proportional to 2,026.86, 3,042.06 and 987.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.86 : 3,042.06 = 987.63 : x
2. Step 2: Convert to fraction form
   2,026.86/3,042.06 = 987.63/x
3. Step 3: Cross multiply
   2,026.86x = 3,042.06 × 987.63
4. Step 4: Simplify right side
   2,026.86x = 3,004,429.72
5. Step 5: Solve for x
   x = 3,004,429.72/2,026.86
6. Step 6: Final answer
   x = 1,482.31