Finding the Fourth Proportional to 107,692.18, 148,589.82 and 90,529.82

Step by Step Solution

1. Step 1: Write the proportion equation
   107,692.18 : 148,589.82 = 90,529.82 : x
2. Step 2: Convert to fraction form
   107,692.18/148,589.82 = 90,529.82/x
3. Step 3: Cross multiply
   107,692.18x = 148,589.82 × 90,529.82
4. Step 4: Simplify right side
   107,692.18x = 13,451,809,658.43
5. Step 5: Solve for x
   x = 13,451,809,658.43/107,692.18
6. Step 6: Final answer
   x = 124,909.81