Finding the Fourth Proportional to 93,178.50, 139,789.62 and 30,849

Step by Step Solution

1. Step 1: Write the proportion equation
   93,178.50 : 139,789.62 = 30,849 : x
2. Step 2: Convert to fraction form
   93,178.50/139,789.62 = 30,849/x
3. Step 3: Cross multiply
   93,178.50x = 139,789.62 × 30,849
4. Step 4: Simplify right side
   93,178.50x = 4,312,369,987.38
5. Step 5: Solve for x
   x = 4,312,369,987.38/93,178.50
6. Step 6: Final answer
   x = 46,280.74