Finding the Fourth Proportional to 53,610.89, 73,965.90 and 30,946.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,610.89 : 73,965.90 = 30,946.88 : x
2. Step 2: Convert to fraction form
   53,610.89/73,965.90 = 30,946.88/x
3. Step 3: Cross multiply
   53,610.89x = 73,965.90 × 30,946.88
4. Step 4: Simplify right side
   53,610.89x = 2,289,013,461.56
5. Step 5: Solve for x
   x = 2,289,013,461.56/53,610.89
6. Step 6: Final answer
   x = 42,696.80