Finding the Fourth Proportional to 11,245.32, 16,870.71 and 3,454.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,245.32 : 16,870.71 = 3,454.13 : x
2. Step 2: Convert to fraction form
   11,245.32/16,870.71 = 3,454.13/x
3. Step 3: Cross multiply
   11,245.32x = 16,870.71 × 3,454.13
4. Step 4: Simplify right side
   11,245.32x = 58,273,541.18
5. Step 5: Solve for x
   x = 58,273,541.18/11,245.32
6. Step 6: Final answer
   x = 5,182.03