Finding the Fourth Proportional to 116,546.72, 160,848.70 and 65,561.59

Step by Step Solution

1. Step 1: Write the proportion equation
   116,546.72 : 160,848.70 = 65,561.59 : x
2. Step 2: Convert to fraction form
   116,546.72/160,848.70 = 65,561.59/x
3. Step 3: Cross multiply
   116,546.72x = 160,848.70 × 65,561.59
4. Step 4: Simplify right side
   116,546.72x = 10,545,496,558.59
5. Step 5: Solve for x
   x = 10,545,496,558.59/116,546.72
6. Step 6: Final answer
   x = 90,483.00