Finding the Fourth Proportional to 171,629.84, 257,441.52 and 53,298.56

Step by Step Solution

1. Step 1: Write the proportion equation
   171,629.84 : 257,441.52 = 53,298.56 : x
2. Step 2: Convert to fraction form
   171,629.84/257,441.52 = 53,298.56/x
3. Step 3: Cross multiply
   171,629.84x = 257,441.52 × 53,298.56
4. Step 4: Simplify right side
   171,629.84x = 13,721,262,300.21
5. Step 5: Solve for x
   x = 13,721,262,300.21/171,629.84
6. Step 6: Final answer
   x = 79,946.83