Finding the Fourth Proportional to 116,684.96, 161,021.52 and 65,700.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116,684.96 : 161,021.52 = 65,700.32 : x
2. Step 2: Convert to fraction form
   116,684.96/161,021.52 = 65,700.32/x
3. Step 3: Cross multiply
   116,684.96x = 161,021.52 × 65,700.32
4. Step 4: Simplify right side
   116,684.96x = 10,579,165,390.89
5. Step 5: Solve for x
   x = 10,579,165,390.89/116,684.96
6. Step 6: Final answer
   x = 90,664.34