Finding the Fourth Proportional to 53,196.09, 73,410.15 and 30,538.77

Step by Step Solution

1. Step 1: Write the proportion equation
   53,196.09 : 73,410.15 = 30,538.77 : x
2. Step 2: Convert to fraction form
   53,196.09/73,410.15 = 30,538.77/x
3. Step 3: Cross multiply
   53,196.09x = 73,410.15 × 30,538.77
4. Step 4: Simplify right side
   53,196.09x = 2,241,855,686.52
5. Step 5: Solve for x
   x = 2,241,855,686.52/53,196.09
6. Step 6: Final answer
   x = 42,143.24