Finding the Fourth Proportional to 89,453.52, 123,429.60 and 55,470.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,453.52 : 123,429.60 = 55,470.24 : x
2. Step 2: Convert to fraction form
   89,453.52/123,429.60 = 55,470.24/x
3. Step 3: Cross multiply
   89,453.52x = 123,429.60 × 55,470.24
4. Step 4: Simplify right side
   89,453.52x = 6,846,669,535.10
5. Step 5: Solve for x
   x = 6,846,669,535.10/89,453.52
6. Step 6: Final answer
   x = 76,538.85