Finding the Fourth Proportional to 116,049.72, 160,148.34 and 65,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,049.72 : 160,148.34 = 65,748.72 : x
2. Step 2: Convert to fraction form
   116,049.72/160,148.34 = 65,748.72/x
3. Step 3: Cross multiply
   116,049.72x = 160,148.34 × 65,748.72
4. Step 4: Simplify right side
   116,049.72x = 10,529,548,365.12
5. Step 5: Solve for x
   x = 10,529,548,365.12/116,049.72
6. Step 6: Final answer
   x = 90,733.08