Finding the Fourth Proportional to 45,105.57, 62,204.55 and 38,730.18

Step by Step Solution

1. Step 1: Write the proportion equation
   45,105.57 : 62,204.55 = 38,730.18 : x
2. Step 2: Convert to fraction form
   45,105.57/62,204.55 = 38,730.18/x
3. Step 3: Cross multiply
   45,105.57x = 62,204.55 × 38,730.18
4. Step 4: Simplify right side
   45,105.57x = 2,409,193,418.32
5. Step 5: Solve for x
   x = 2,409,193,418.32/45,105.57
6. Step 6: Final answer
   x = 53,412.33