Finding the Fourth Proportional to 151,786.48, 227,638.15 and 57,009.34

Step by Step Solution

1. Step 1: Write the proportion equation
   151,786.48 : 227,638.15 = 57,009.34 : x
2. Step 2: Convert to fraction form
   151,786.48/227,638.15 = 57,009.34/x
3. Step 3: Cross multiply
   151,786.48x = 227,638.15 × 57,009.34
4. Step 4: Simplify right side
   151,786.48x = 12,977,500,690.32
5. Step 5: Solve for x
   x = 12,977,500,690.32/151,786.48
6. Step 6: Final answer
   x = 85,498.40