Finding the Fourth Proportional to 114,992.94, 158,689.98 and 64,691.94

Step by Step Solution

1. Step 1: Write the proportion equation
   114,992.94 : 158,689.98 = 64,691.94 : x
2. Step 2: Convert to fraction form
   114,992.94/158,689.98 = 64,691.94/x
3. Step 3: Cross multiply
   114,992.94x = 158,689.98 × 64,691.94
4. Step 4: Simplify right side
   114,992.94x = 10,265,962,664.76
5. Step 5: Solve for x
   x = 10,265,962,664.76/114,992.94
6. Step 6: Final answer
   x = 89,274.72