Finding the Fourth Proportional to 114,978.92, 172,497.12 and 113,071.82

Step by Step Solution

1. Step 1: Write the proportion equation
   114,978.92 : 172,497.12 = 113,071.82 : x
2. Step 2: Convert to fraction form
   114,978.92/172,497.12 = 113,071.82/x
3. Step 3: Cross multiply
   114,978.92x = 172,497.12 × 113,071.82
4. Step 4: Simplify right side
   114,978.92x = 19,504,562,737.80
5. Step 5: Solve for x
   x = 19,504,562,737.80/114,978.92
6. Step 6: Final answer
   x = 169,636.00