Finding the Fourth Proportional to 142,801, 214,212.28 and 48,031.46

Step by Step Solution

1. Step 1: Write the proportion equation
   142,801 : 214,212.28 = 48,031.46 : x
2. Step 2: Convert to fraction form
   142,801/214,212.28 = 48,031.46/x
3. Step 3: Cross multiply
   142,801x = 214,212.28 × 48,031.46
4. Step 4: Simplify right side
   142,801x = 10,288,928,558.33
5. Step 5: Solve for x
   x = 10,288,928,558.33/142,801
6. Step 6: Final answer
   x = 72,050.82