Finding the Fourth Proportional to 89,533.44, 123,446.70 and 59,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,533.44 : 123,446.70 = 59,310.72 : x
2. Step 2: Convert to fraction form
   89,533.44/123,446.70 = 59,310.72/x
3. Step 3: Cross multiply
   89,533.44x = 123,446.70 × 59,310.72
4. Step 4: Simplify right side
   89,533.44x = 7,321,712,658.62
5. Step 5: Solve for x
   x = 7,321,712,658.62/89,533.44
6. Step 6: Final answer
   x = 81,776.29