Finding the Fourth Proportional to 142,915.41, 214,382.07 and 48,137.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,915.41 : 214,382.07 = 48,137.82 : x
2. Step 2: Convert to fraction form
   142,915.41/214,382.07 = 48,137.82/x
3. Step 3: Cross multiply
   142,915.41x = 214,382.07 × 48,137.82
4. Step 4: Simplify right side
   142,915.41x = 10,319,885,496.89
5. Step 5: Solve for x
   x = 10,319,885,496.89/142,915.41
6. Step 6: Final answer
   x = 72,209.75