Finding the Fourth Proportional to 9,053.51, 13,578.17 and 3,505.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.51 : 13,578.17 = 3,505.01 : x
2. Step 2: Convert to fraction form
   9,053.51/13,578.17 = 3,505.01/x
3. Step 3: Cross multiply
   9,053.51x = 13,578.17 × 3,505.01
4. Step 4: Simplify right side
   9,053.51x = 47,591,536.22
5. Step 5: Solve for x
   x = 47,591,536.22/9,053.51
6. Step 6: Final answer
   x = 5,256.70