Finding the Fourth Proportional to 89,422.25, 123,182.37 and 76,634.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89,422.25 : 123,182.37 = 76,634.37 : x
2. Step 2: Convert to fraction form
   89,422.25/123,182.37 = 76,634.37/x
3. Step 3: Cross multiply
   89,422.25x = 123,182.37 × 76,634.37
4. Step 4: Simplify right side
   89,422.25x = 9,440,003,320.06
5. Step 5: Solve for x
   x = 9,440,003,320.06/89,422.25
6. Step 6: Final answer
   x = 105,566.61