Finding the Fourth Proportional to 143,951.55, 215,951.91 and 49,176.51

Step by Step Solution

1. Step 1: Write the proportion equation
   143,951.55 : 215,951.91 = 49,176.51 : x
2. Step 2: Convert to fraction form
   143,951.55/215,951.91 = 49,176.51/x
3. Step 3: Cross multiply
   143,951.55x = 215,951.91 × 49,176.51
4. Step 4: Simplify right side
   143,951.55x = 10,619,761,261.63
5. Step 5: Solve for x
   x = 10,619,761,261.63/143,951.55
6. Step 6: Final answer
   x = 73,773.16