Finding the Fourth Proportional to 111,430.08, 166,926.42 and 64,584.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,430.08 : 166,926.42 = 64,584.54 : x
2. Step 2: Convert to fraction form
   111,430.08/166,926.42 = 64,584.54/x
3. Step 3: Cross multiply
   111,430.08x = 166,926.42 × 64,584.54
4. Step 4: Simplify right side
   111,430.08x = 10,780,866,049.55
5. Step 5: Solve for x
   x = 10,780,866,049.55/111,430.08
6. Step 6: Final answer
   x = 96,750.05