Finding the Fourth Proportional to 143,280.09, 214,863.83 and 48,484.17

Step by Step Solution

1. Step 1: Write the proportion equation
   143,280.09 : 214,863.83 = 48,484.17 : x
2. Step 2: Convert to fraction form
   143,280.09/214,863.83 = 48,484.17/x
3. Step 3: Cross multiply
   143,280.09x = 214,863.83 × 48,484.17
4. Step 4: Simplify right side
   143,280.09x = 10,417,494,460.57
5. Step 5: Solve for x
   x = 10,417,494,460.57/143,280.09
6. Step 6: Final answer
   x = 72,707.20