Finding the Fourth Proportional to 171,631.34, 257,443.76 and 53,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   171,631.34 : 257,443.76 = 53,300.06 : x
2. Step 2: Convert to fraction form
   171,631.34/257,443.76 = 53,300.06/x
3. Step 3: Cross multiply
   171,631.34x = 257,443.76 × 53,300.06
4. Step 4: Simplify right side
   171,631.34x = 13,721,767,854.63
5. Step 5: Solve for x
   x = 13,721,767,854.63/171,631.34
6. Step 6: Final answer
   x = 79,949.08