Finding the Fourth Proportional to 118,016.34, 162,860.49 and 64,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,016.34 : 162,860.49 = 64,301.76 : x
2. Step 2: Convert to fraction form
   118,016.34/162,860.49 = 64,301.76/x
3. Step 3: Cross multiply
   118,016.34x = 162,860.49 × 64,301.76
4. Step 4: Simplify right side
   118,016.34x = 10,472,216,141.46
5. Step 5: Solve for x
   x = 10,472,216,141.46/118,016.34
6. Step 6: Final answer
   x = 88,735.31