Finding the Fourth Proportional to 171,561.82, 257,106.04 and 123,796.31

Step by Step Solution

1. Step 1: Write the proportion equation
   171,561.82 : 257,106.04 = 123,796.31 : x
2. Step 2: Convert to fraction form
   171,561.82/257,106.04 = 123,796.31/x
3. Step 3: Cross multiply
   171,561.82x = 257,106.04 × 123,796.31
4. Step 4: Simplify right side
   171,561.82x = 31,828,779,030.71
5. Step 5: Solve for x
   x = 31,828,779,030.71/171,561.82
6. Step 6: Final answer
   x = 185,523.67