Finding the Fourth Proportional to 69,147.52, 103,699.68 and 22,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,147.52 : 103,699.68 = 22,390.72 : x
2. Step 2: Convert to fraction form
   69,147.52/103,699.68 = 22,390.72/x
3. Step 3: Cross multiply
   69,147.52x = 103,699.68 × 22,390.72
4. Step 4: Simplify right side
   69,147.52x = 2,321,910,498.97
5. Step 5: Solve for x
   x = 2,321,910,498.97/69,147.52
6. Step 6: Final answer
   x = 33,579.09