Finding the Fourth Proportional to 69,996.52, 105,038.32 and 28,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   69,996.52 : 105,038.32 = 28,443.52 : x
2. Step 2: Convert to fraction form
   69,996.52/105,038.32 = 28,443.52/x
3. Step 3: Cross multiply
   69,996.52x = 105,038.32 × 28,443.52
4. Step 4: Simplify right side
   69,996.52x = 2,987,659,555.69
5. Step 5: Solve for x
   x = 2,987,659,555.69/69,996.52
6. Step 6: Final answer
   x = 42,682.97