Finding the Fourth Proportional to 89,105, 122,964.90 and 53,296.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,105 : 122,964.90 = 53,296.52 : x
2. Step 2: Convert to fraction form
   89,105/122,964.90 = 53,296.52/x
3. Step 3: Cross multiply
   89,105x = 122,964.90 × 53,296.52
4. Step 4: Simplify right side
   89,105x = 6,553,601,252.15
5. Step 5: Solve for x
   x = 6,553,601,252.15/89,105
6. Step 6: Final answer
   x = 73,549.20