Finding the Fourth Proportional to 116,664.76, 160,997.83 and 65,678.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,664.76 : 160,997.83 = 65,678.34 : x
2. Step 2: Convert to fraction form
   116,664.76/160,997.83 = 65,678.34/x
3. Step 3: Cross multiply
   116,664.76x = 160,997.83 × 65,678.34
4. Step 4: Simplify right side
   116,664.76x = 10,574,070,657.55
5. Step 5: Solve for x
   x = 10,574,070,657.55/116,664.76
6. Step 6: Final answer
   x = 90,636.38