Finding the Fourth Proportional to 89,392.78, 123,310.46 and 53,562.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,392.78 : 123,310.46 = 53,562.03 : x
2. Step 2: Convert to fraction form
   89,392.78/123,310.46 = 53,562.03/x
3. Step 3: Cross multiply
   89,392.78x = 123,310.46 × 53,562.03
4. Step 4: Simplify right side
   89,392.78x = 6,604,758,360.10
5. Step 5: Solve for x
   x = 6,604,758,360.10/89,392.78
6. Step 6: Final answer
   x = 73,884.70