Finding the Fourth Proportional to 116,901.90, 161,285.94 and 65,908.26

Step by Step Solution

1. Step 1: Write the proportion equation
   116,901.90 : 161,285.94 = 65,908.26 : x
2. Step 2: Convert to fraction form
   116,901.90/161,285.94 = 65,908.26/x
3. Step 3: Cross multiply
   116,901.90x = 161,285.94 × 65,908.26
4. Step 4: Simplify right side
   116,901.90x = 10,630,075,667.86
5. Step 5: Solve for x
   x = 10,630,075,667.86/116,901.90
6. Step 6: Final answer
   x = 90,931.59