Finding the Fourth Proportional to 2,176.51, 3,003.62 and 1,181.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.51 : 3,003.62 = 1,181.79 : x
2. Step 2: Convert to fraction form
   2,176.51/3,003.62 = 1,181.79/x
3. Step 3: Cross multiply
   2,176.51x = 3,003.62 × 1,181.79
4. Step 4: Simplify right side
   2,176.51x = 3,549,642.17
5. Step 5: Solve for x
   x = 3,549,642.17/2,176.51
6. Step 6: Final answer
   x = 1,630.89