Finding the Fourth Proportional to 2,602.42, 3,591.35 and 1,607.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.42 : 3,591.35 = 1,607.47 : x
2. Step 2: Convert to fraction form
   2,602.42/3,591.35 = 1,607.47/x
3. Step 3: Cross multiply
   2,602.42x = 3,591.35 × 1,607.47
4. Step 4: Simplify right side
   2,602.42x = 5,772,987.38
5. Step 5: Solve for x
   x = 5,772,987.38/2,602.42
6. Step 6: Final answer
   x = 2,218.32