Finding the Fourth Proportional to 53,610.51, 73,985.86 and 30,953.65

Step by Step Solution

1. Step 1: Write the proportion equation
   53,610.51 : 73,985.86 = 30,953.65 : x
2. Step 2: Convert to fraction form
   53,610.51/73,985.86 = 30,953.65/x
3. Step 3: Cross multiply
   53,610.51x = 73,985.86 × 30,953.65
4. Step 4: Simplify right side
   53,610.51x = 2,290,131,890.69
5. Step 5: Solve for x
   x = 2,290,131,890.69/53,610.51
6. Step 6: Final answer
   x = 42,717.97