Finding the Fourth Proportional to 89,180.00, 122,960.79 and 77,058.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,180.00 : 122,960.79 = 77,058.57 : x
2. Step 2: Convert to fraction form
   89,180.00/122,960.79 = 77,058.57/x
3. Step 3: Cross multiply
   89,180.00x = 122,960.79 × 77,058.57
4. Step 4: Simplify right side
   89,180.00x = 9,475,182,643.47
5. Step 5: Solve for x
   x = 9,475,182,643.47/89,180.00
6. Step 6: Final answer
   x = 106,247.85