Finding the Fourth Proportional to 116,458.72, 160,704.18 and 65,463.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,458.72 : 160,704.18 = 65,463.34 : x
2. Step 2: Convert to fraction form
   116,458.72/160,704.18 = 65,463.34/x
3. Step 3: Cross multiply
   116,458.72x = 160,704.18 × 65,463.34
4. Step 4: Simplify right side
   116,458.72x = 10,520,232,374.76
5. Step 5: Solve for x
   x = 10,520,232,374.76/116,458.72
6. Step 6: Final answer
   x = 90,334.43