Finding the Fourth Proportional to 3,345.42, 5,018.01 and 1,591.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.42 : 5,018.01 = 1,591.27 : x
2. Step 2: Convert to fraction form
   3,345.42/5,018.01 = 1,591.27/x
3. Step 3: Cross multiply
   3,345.42x = 5,018.01 × 1,591.27
4. Step 4: Simplify right side
   3,345.42x = 7,985,008.77
5. Step 5: Solve for x
   x = 7,985,008.77/3,345.42
6. Step 6: Final answer
   x = 2,386.85