Finding the Fourth Proportional to 53,298.47, 73,554.27 and 30,644.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,298.47 : 73,554.27 = 30,644.81 : x
2. Step 2: Convert to fraction form
   53,298.47/73,554.27 = 30,644.81/x
3. Step 3: Cross multiply
   53,298.47x = 73,554.27 × 30,644.81
4. Step 4: Simplify right side
   53,298.47x = 2,254,056,628.84
5. Step 5: Solve for x
   x = 2,254,056,628.84/53,298.47
6. Step 6: Final answer
   x = 42,291.21