Finding the Fourth Proportional to 11,570.58, 17,359.02 and 3,780

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.58 : 17,359.02 = 3,780 : x
2. Step 2: Convert to fraction form
   11,570.58/17,359.02 = 3,780/x
3. Step 3: Cross multiply
   11,570.58x = 17,359.02 × 3,780
4. Step 4: Simplify right side
   11,570.58x = 65,617,095.60
5. Step 5: Solve for x
   x = 65,617,095.60/11,570.58
6. Step 6: Final answer
   x = 5,671.03