Finding the Fourth Proportional to 116,543.59, 160,784.59 and 65,544.62

Step by Step Solution

1. Step 1: Write the proportion equation
   116,543.59 : 160,784.59 = 65,544.62 : x
2. Step 2: Convert to fraction form
   116,543.59/160,784.59 = 65,544.62/x
3. Step 3: Cross multiply
   116,543.59x = 160,784.59 × 65,544.62
4. Step 4: Simplify right side
   116,543.59x = 10,538,564,213.34
5. Step 5: Solve for x
   x = 10,538,564,213.34/116,543.59
6. Step 6: Final answer
   x = 90,425.95