Finding the Fourth Proportional to 116,458.84, 160,718.90 and 65,487.62

Step by Step Solution

1. Step 1: Write the proportion equation
   116,458.84 : 160,718.90 = 65,487.62 : x
2. Step 2: Convert to fraction form
   116,458.84/160,718.90 = 65,487.62/x
3. Step 3: Cross multiply
   116,458.84x = 160,718.90 × 65,487.62
4. Step 4: Simplify right side
   116,458.84x = 10,525,097,446.42
5. Step 5: Solve for x
   x = 10,525,097,446.42/116,458.84
6. Step 6: Final answer
   x = 90,376.11