Finding the Fourth Proportional to 53,128.93, 73,315.09 and 30,466.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,128.93 : 73,315.09 = 30,466.82 : x
2. Step 2: Convert to fraction form
   53,128.93/73,315.09 = 30,466.82/x
3. Step 3: Cross multiply
   53,128.93x = 73,315.09 × 30,466.82
4. Step 4: Simplify right side
   53,128.93x = 2,233,677,650.31
5. Step 5: Solve for x
   x = 2,233,677,650.31/53,128.93
6. Step 6: Final answer
   x = 42,042.59