Finding the Fourth Proportional to 89,223.58, 123,126.28 and 48,385.45

Step by Step Solution

1. Step 1: Write the proportion equation
   89,223.58 : 123,126.28 = 48,385.45 : x
2. Step 2: Convert to fraction form
   89,223.58/123,126.28 = 48,385.45/x
3. Step 3: Cross multiply
   89,223.58x = 123,126.28 × 48,385.45
4. Step 4: Simplify right side
   89,223.58x = 5,957,520,497.57
5. Step 5: Solve for x
   x = 5,957,520,497.57/89,223.58
6. Step 6: Final answer
   x = 66,770.70