Finding the Fourth Proportional to 116,203.46, 160,376.86 and 65,219.23

Step by Step Solution

1. Step 1: Write the proportion equation
   116,203.46 : 160,376.86 = 65,219.23 : x
2. Step 2: Convert to fraction form
   116,203.46/160,376.86 = 65,219.23/x
3. Step 3: Cross multiply
   116,203.46x = 160,376.86 × 65,219.23
4. Step 4: Simplify right side
   116,203.46x = 10,459,654,698.89
5. Step 5: Solve for x
   x = 10,459,654,698.89/116,203.46
6. Step 6: Final answer
   x = 90,011.56