Finding the Fourth Proportional to 11,577.80, 17,370.42 and 3,784.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,577.80 : 17,370.42 = 3,784.84 : x
2. Step 2: Convert to fraction form
   11,577.80/17,370.42 = 3,784.84/x
3. Step 3: Cross multiply
   11,577.80x = 17,370.42 × 3,784.84
4. Step 4: Simplify right side
   11,577.80x = 65,744,260.43
5. Step 5: Solve for x
   x = 65,744,260.43/11,577.80
6. Step 6: Final answer
   x = 5,678.48