Finding the Fourth Proportional to 120,300.53, 166,056.21 and 69,333.62

Step by Step Solution

1. Step 1: Write the proportion equation
   120,300.53 : 166,056.21 = 69,333.62 : x
2. Step 2: Convert to fraction form
   120,300.53/166,056.21 = 69,333.62/x
3. Step 3: Cross multiply
   120,300.53x = 166,056.21 × 69,333.62
4. Step 4: Simplify right side
   120,300.53x = 11,513,277,332.50
5. Step 5: Solve for x
   x = 11,513,277,332.50/120,300.53
6. Step 6: Final answer
   x = 95,704.30