Finding the Fourth Proportional to 89,356.88, 123,297.72 and 51,634.64

Step by Step Solution

1. Step 1: Write the proportion equation
   89,356.88 : 123,297.72 = 51,634.64 : x
2. Step 2: Convert to fraction form
   89,356.88/123,297.72 = 51,634.64/x
3. Step 3: Cross multiply
   89,356.88x = 123,297.72 × 51,634.64
4. Step 4: Simplify right side
   89,356.88x = 6,366,433,385.02
5. Step 5: Solve for x
   x = 6,366,433,385.02/89,356.88
6. Step 6: Final answer
   x = 71,247.27