Finding the Fourth Proportional to 7,064.64, 10,602.72 and 3,602.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,064.64 : 10,602.72 = 3,602.88 : x
2. Step 2: Convert to fraction form
   7,064.64/10,602.72 = 3,602.88/x
3. Step 3: Cross multiply
   7,064.64x = 10,602.72 × 3,602.88
4. Step 4: Simplify right side
   7,064.64x = 38,200,327.83
5. Step 5: Solve for x
   x = 38,200,327.83/7,064.64
6. Step 6: Final answer
   x = 5,407.26