Finding the Fourth Proportional to 3,538.48, 5,302.68 and 2,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.48 : 5,302.68 = 2,606.72 : x
2. Step 2: Convert to fraction form
   3,538.48/5,302.68 = 2,606.72/x
3. Step 3: Cross multiply
   3,538.48x = 5,302.68 × 2,606.72
4. Step 4: Simplify right side
   3,538.48x = 13,822,602.01
5. Step 5: Solve for x
   x = 13,822,602.01/3,538.48
6. Step 6: Final answer
   x = 3,906.37