Finding the Fourth Proportional to 89,007.99, 122,775.71 and 55,026.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,007.99 : 122,775.71 = 55,026.87 : x
2. Step 2: Convert to fraction form
   89,007.99/122,775.71 = 55,026.87/x
3. Step 3: Cross multiply
   89,007.99x = 122,775.71 × 55,026.87
4. Step 4: Simplify right side
   89,007.99x = 6,755,963,033.33
5. Step 5: Solve for x
   x = 6,755,963,033.33/89,007.99
6. Step 6: Final answer
   x = 75,902.88