Finding the Fourth Proportional to 116,050.72, 160,149.72 and 65,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,050.72 : 160,149.72 = 65,749.72 : x
2. Step 2: Convert to fraction form
   116,050.72/160,149.72 = 65,749.72/x
3. Step 3: Cross multiply
   116,050.72x = 160,149.72 × 65,749.72
4. Step 4: Simplify right side
   116,050.72x = 10,529,799,248.08
5. Step 5: Solve for x
   x = 10,529,799,248.08/116,050.72
6. Step 6: Final answer
   x = 90,734.46