Finding the Fourth Proportional to 53,595.89, 73,945.29 and 30,931.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,595.89 : 73,945.29 = 30,931.88 : x
2. Step 2: Convert to fraction form
   53,595.89/73,945.29 = 30,931.88/x
3. Step 3: Cross multiply
   53,595.89x = 73,945.29 × 30,931.88
4. Step 4: Simplify right side
   53,595.89x = 2,287,266,836.85
5. Step 5: Solve for x
   x = 2,287,266,836.85/53,595.89
6. Step 6: Final answer
   x = 42,676.16