Finding the Fourth Proportional to 109,555.30, 151,187.07 and 69,286.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,555.30 : 151,187.07 = 69,286.42 : x
2. Step 2: Convert to fraction form
   109,555.30/151,187.07 = 69,286.42/x
3. Step 3: Cross multiply
   109,555.30x = 151,187.07 × 69,286.42
4. Step 4: Simplify right side
   109,555.30x = 10,475,210,830.59
5. Step 5: Solve for x
   x = 10,475,210,830.59/109,555.30
6. Step 6: Final answer
   x = 95,615.74