Finding the Fourth Proportional to 116,515.01, 160,789.18 and 65,527.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,515.01 : 160,789.18 = 65,527.72 : x
2. Step 2: Convert to fraction form
   116,515.01/160,789.18 = 65,527.72/x
3. Step 3: Cross multiply
   116,515.01x = 160,789.18 × 65,527.72
4. Step 4: Simplify right side
   116,515.01x = 10,536,148,366.07
5. Step 5: Solve for x
   x = 10,536,148,366.07/116,515.01
6. Step 6: Final answer
   x = 90,427.39