Finding the Fourth Proportional to 89,853.53, 123,919.07 and 71,942.00

Step by Step Solution

1. Step 1: Write the proportion equation
   89,853.53 : 123,919.07 = 71,942.00 : x
2. Step 2: Convert to fraction form
   89,853.53/123,919.07 = 71,942.00/x
3. Step 3: Cross multiply
   89,853.53x = 123,919.07 × 71,942.00
4. Step 4: Simplify right side
   89,853.53x = 8,914,984,754.63
5. Step 5: Solve for x
   x = 8,914,984,754.63/89,853.53
6. Step 6: Final answer
   x = 99,216.86