Finding the Fourth Proportional to 144,765.16, 217,106.10 and 49,970.71

Step by Step Solution

1. Step 1: Write the proportion equation
   144,765.16 : 217,106.10 = 49,970.71 : x
2. Step 2: Convert to fraction form
   144,765.16/217,106.10 = 49,970.71/x
3. Step 3: Cross multiply
   144,765.16x = 217,106.10 × 49,970.71
4. Step 4: Simplify right side
   144,765.16x = 10,848,945,962.33
5. Step 5: Solve for x
   x = 10,848,945,962.33/144,765.16
6. Step 6: Final answer
   x = 74,941.69