Finding the Fourth Proportional to 3,620.50, 5,404.78 and 3,460.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.50 : 5,404.78 = 3,460.93 : x
2. Step 2: Convert to fraction form
   3,620.50/5,404.78 = 3,460.93/x
3. Step 3: Cross multiply
   3,620.50x = 5,404.78 × 3,460.93
4. Step 4: Simplify right side
   3,620.50x = 18,705,536.59
5. Step 5: Solve for x
   x = 18,705,536.59/3,620.50
6. Step 6: Final answer
   x = 5,166.57