Finding the Fourth Proportional to 143,112.59, 214,767.31 and 49,618.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,112.59 : 214,767.31 = 49,618.34 : x
2. Step 2: Convert to fraction form
   143,112.59/214,767.31 = 49,618.34/x
3. Step 3: Cross multiply
   143,112.59x = 214,767.31 × 49,618.34
4. Step 4: Simplify right side
   143,112.59x = 10,656,397,408.47
5. Step 5: Solve for x
   x = 10,656,397,408.47/143,112.59
6. Step 6: Final answer
   x = 74,461.63