Finding the Fourth Proportional to 89,437, 123,371.70 and 55,844.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,437 : 123,371.70 = 55,844.68 : x
2. Step 2: Convert to fraction form
   89,437/123,371.70 = 55,844.68/x
3. Step 3: Cross multiply
   89,437x = 123,371.70 × 55,844.68
4. Step 4: Simplify right side
   89,437x = 6,889,653,107.56
5. Step 5: Solve for x
   x = 6,889,653,107.56/89,437
6. Step 6: Final answer
   x = 77,033.59