Finding the Fourth Proportional to 89,168.19, 123,031.89 and 60,491.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,168.19 : 123,031.89 = 60,491.76 : x
2. Step 2: Convert to fraction form
   89,168.19/123,031.89 = 60,491.76/x
3. Step 3: Cross multiply
   89,168.19x = 123,031.89 × 60,491.76
4. Step 4: Simplify right side
   89,168.19x = 7,442,415,562.23
5. Step 5: Solve for x
   x = 7,442,415,562.23/89,168.19
6. Step 6: Final answer
   x = 83,464.92