Finding the Fourth Proportional to 89,459.98, 123,461.22 and 53,649.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,459.98 : 123,461.22 = 53,649.34 : x
2. Step 2: Convert to fraction form
   89,459.98/123,461.22 = 53,649.34/x
3. Step 3: Cross multiply
   89,459.98x = 123,461.22 × 53,649.34
4. Step 4: Simplify right side
   89,459.98x = 6,623,612,968.59
5. Step 5: Solve for x
   x = 6,623,612,968.59/89,459.98
6. Step 6: Final answer
   x = 74,039.96