Finding the Fourth Proportional to 142,676.52, 214,014.51 and 42,836.55

Step by Step Solution

1. Step 1: Write the proportion equation
   142,676.52 : 214,014.51 = 42,836.55 : x
2. Step 2: Convert to fraction form
   142,676.52/214,014.51 = 42,836.55/x
3. Step 3: Cross multiply
   142,676.52x = 214,014.51 × 42,836.55
4. Step 4: Simplify right side
   142,676.52x = 9,167,643,258.34
5. Step 5: Solve for x
   x = 9,167,643,258.34/142,676.52
6. Step 6: Final answer
   x = 64,254.74