Finding the Fourth Proportional to 143,078.88, 214,656.48 and 49,584.54

Step by Step Solution

1. Step 1: Write the proportion equation
   143,078.88 : 214,656.48 = 49,584.54 : x
2. Step 2: Convert to fraction form
   143,078.88/214,656.48 = 49,584.54/x
3. Step 3: Cross multiply
   143,078.88x = 214,656.48 × 49,584.54
4. Step 4: Simplify right side
   143,078.88x = 10,643,642,818.82
5. Step 5: Solve for x
   x = 10,643,642,818.82/143,078.88
6. Step 6: Final answer
   x = 74,390.03