Finding the Fourth Proportional to 120,411.45, 166,152.06 and 69,426.09

Step by Step Solution

1. Step 1: Write the proportion equation
   120,411.45 : 166,152.06 = 69,426.09 : x
2. Step 2: Convert to fraction form
   120,411.45/166,152.06 = 69,426.09/x
3. Step 3: Cross multiply
   120,411.45x = 166,152.06 × 69,426.09
4. Step 4: Simplify right side
   120,411.45x = 11,535,287,871.25
5. Step 5: Solve for x
   x = 11,535,287,871.25/120,411.45
6. Step 6: Final answer
   x = 95,798.93