Finding the Fourth Proportional to 114,993.46, 158,689.76 and 64,005.38

Step by Step Solution

1. Step 1: Write the proportion equation
   114,993.46 : 158,689.76 = 64,005.38 : x
2. Step 2: Convert to fraction form
   114,993.46/158,689.76 = 64,005.38/x
3. Step 3: Cross multiply
   114,993.46x = 158,689.76 × 64,005.38
4. Step 4: Simplify right side
   114,993.46x = 10,156,998,390.91
5. Step 5: Solve for x
   x = 10,156,998,390.91/114,993.46
6. Step 6: Final answer
   x = 88,326.75