Finding the Fourth Proportional to 93,155.50, 139,747.83 and 30,840.58

Step by Step Solution

1. Step 1: Write the proportion equation
   93,155.50 : 139,747.83 = 30,840.58 : x
2. Step 2: Convert to fraction form
   93,155.50/139,747.83 = 30,840.58/x
3. Step 3: Cross multiply
   93,155.50x = 139,747.83 × 30,840.58
4. Step 4: Simplify right side
   93,155.50x = 4,309,904,130.94
5. Step 5: Solve for x
   x = 4,309,904,130.94/93,155.50
6. Step 6: Final answer
   x = 46,265.70