Finding the Fourth Proportional to 116,857.50, 161,259.93 and 65,873.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,857.50 : 161,259.93 = 65,873.22 : x
2. Step 2: Convert to fraction form
   116,857.50/161,259.93 = 65,873.22/x
3. Step 3: Cross multiply
   116,857.50x = 161,259.93 × 65,873.22
4. Step 4: Simplify right side
   116,857.50x = 10,622,710,846.07
5. Step 5: Solve for x
   x = 10,622,710,846.07/116,857.50
6. Step 6: Final answer
   x = 90,903.12