Finding the Fourth Proportional to 171,852.72, 257,823.72 and 53,526

Step by Step Solution

1. Step 1: Write the proportion equation
   171,852.72 : 257,823.72 = 53,526 : x
2. Step 2: Convert to fraction form
   171,852.72/257,823.72 = 53,526/x
3. Step 3: Cross multiply
   171,852.72x = 257,823.72 × 53,526
4. Step 4: Simplify right side
   171,852.72x = 13,800,272,436.72
5. Step 5: Solve for x
   x = 13,800,272,436.72/171,852.72
6. Step 6: Final answer
   x = 80,302.90