Finding the Fourth Proportional to 171,468.32, 257,108.52 and 53,106.80

Step by Step Solution

1. Step 1: Write the proportion equation
   171,468.32 : 257,108.52 = 53,106.80 : x
2. Step 2: Convert to fraction form
   171,468.32/257,108.52 = 53,106.80/x
3. Step 3: Cross multiply
   171,468.32x = 257,108.52 × 53,106.80
4. Step 4: Simplify right side
   171,468.32x = 13,654,210,749.94
5. Step 5: Solve for x
   x = 13,654,210,749.94/171,468.32
6. Step 6: Final answer
   x = 79,631.10