Finding the Fourth Proportional to 2,058.83, 3,088.75 and 672.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.83 : 3,088.75 = 672.17 : x
2. Step 2: Convert to fraction form
   2,058.83/3,088.75 = 672.17/x
3. Step 3: Cross multiply
   2,058.83x = 3,088.75 × 672.17
4. Step 4: Simplify right side
   2,058.83x = 2,076,172.45
5. Step 5: Solve for x
   x = 2,076,172.45/2,058.83
6. Step 6: Final answer
   x = 1,008.42