Finding the Fourth Proportional to 3,803.51, 5,251.32 and 3,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,803.51 : 5,251.32 = 3,404.48 : x
2. Step 2: Convert to fraction form
   3,803.51/5,251.32 = 3,404.48/x
3. Step 3: Cross multiply
   3,803.51x = 5,251.32 × 3,404.48
4. Step 4: Simplify right side
   3,803.51x = 17,878,013.91
5. Step 5: Solve for x
   x = 17,878,013.91/3,803.51
6. Step 6: Final answer
   x = 4,700.40