Finding the Fourth Proportional to 5,680.01, 7,838.59 and 3,554.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,680.01 : 7,838.59 = 3,554.86 : x
2. Step 2: Convert to fraction form
   5,680.01/7,838.59 = 3,554.86/x
3. Step 3: Cross multiply
   5,680.01x = 7,838.59 × 3,554.86
4. Step 4: Simplify right side
   5,680.01x = 27,865,090.05
5. Step 5: Solve for x
   x = 27,865,090.05/5,680.01
6. Step 6: Final answer
   x = 4,905.82