Finding the Fourth Proportional to 89,356.88, 123,322.34 and 51,119.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,356.88 : 123,322.34 = 51,119.98 : x
2. Step 2: Convert to fraction form
   89,356.88/123,322.34 = 51,119.98/x
3. Step 3: Cross multiply
   89,356.88x = 123,322.34 × 51,119.98
4. Step 4: Simplify right side
   89,356.88x = 6,304,235,554.35
5. Step 5: Solve for x
   x = 6,304,235,554.35/89,356.88
6. Step 6: Final answer
   x = 70,551.20