Finding the Fourth Proportional to 143,647.68, 215,510.40 and 50,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,647.68 : 215,510.40 = 50,160.72 : x
2. Step 2: Convert to fraction form
   143,647.68/215,510.40 = 50,160.72/x
3. Step 3: Cross multiply
   143,647.68x = 215,510.40 × 50,160.72
4. Step 4: Simplify right side
   143,647.68x = 10,810,156,831.49
5. Step 5: Solve for x
   x = 10,810,156,831.49/143,647.68
6. Step 6: Final answer
   x = 75,254.66