Finding the Fourth Proportional to 89,775.19, 123,797.72 and 59,156.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,775.19 : 123,797.72 = 59,156.28 : x
2. Step 2: Convert to fraction form
   89,775.19/123,797.72 = 59,156.28/x
3. Step 3: Cross multiply
   89,775.19x = 123,797.72 × 59,156.28
4. Step 4: Simplify right side
   89,775.19x = 7,323,412,735.57
5. Step 5: Solve for x
   x = 7,323,412,735.57/89,775.19
6. Step 6: Final answer
   x = 81,575.02