Finding the Fourth Proportional to 3,700.47, 5,545.20 and 3,427.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.47 : 5,545.20 = 3,427.08 : x
2. Step 2: Convert to fraction form
   3,700.47/5,545.20 = 3,427.08/x
3. Step 3: Cross multiply
   3,700.47x = 5,545.20 × 3,427.08
4. Step 4: Simplify right side
   3,700.47x = 19,003,844.02
5. Step 5: Solve for x
   x = 19,003,844.02/3,700.47
6. Step 6: Final answer
   x = 5,135.52