Finding the Fourth Proportional to 62,603.69, 93,920.15 and 20,483.61

Step by Step Solution

1. Step 1: Write the proportion equation
   62,603.69 : 93,920.15 = 20,483.61 : x
2. Step 2: Convert to fraction form
   62,603.69/93,920.15 = 20,483.61/x
3. Step 3: Cross multiply
   62,603.69x = 93,920.15 × 20,483.61
4. Step 4: Simplify right side
   62,603.69x = 1,923,823,621.32
5. Step 5: Solve for x
   x = 1,923,823,621.32/62,603.69
6. Step 6: Final answer
   x = 30,730.20