Finding the Fourth Proportional to 147,002.42, 220,226.15 and 86,851.41

Step by Step Solution

1. Step 1: Write the proportion equation
   147,002.42 : 220,226.15 = 86,851.41 : x
2. Step 2: Convert to fraction form
   147,002.42/220,226.15 = 86,851.41/x
3. Step 3: Cross multiply
   147,002.42x = 220,226.15 × 86,851.41
4. Step 4: Simplify right side
   147,002.42x = 19,126,951,646.37
5. Step 5: Solve for x
   x = 19,126,951,646.37/147,002.42
6. Step 6: Final answer
   x = 130,113.18