Finding the Fourth Proportional to 89,185, 123,094.50 and 53,383

Step by Step Solution

1. Step 1: Write the proportion equation
   89,185 : 123,094.50 = 53,383 : x
2. Step 2: Convert to fraction form
   89,185/123,094.50 = 53,383/x
3. Step 3: Cross multiply
   89,185x = 123,094.50 × 53,383
4. Step 4: Simplify right side
   89,185x = 6,571,153,693.50
5. Step 5: Solve for x
   x = 6,571,153,693.50/89,185
6. Step 6: Final answer
   x = 73,680.03