Finding the Fourth Proportional to 123,508.47, 185,510.70 and 73,685.91

Step by Step Solution

1. Step 1: Write the proportion equation
   123,508.47 : 185,510.70 = 73,685.91 : x
2. Step 2: Convert to fraction form
   123,508.47/185,510.70 = 73,685.91/x
3. Step 3: Cross multiply
   123,508.47x = 185,510.70 × 73,685.91
4. Step 4: Simplify right side
   123,508.47x = 13,669,524,744.24
5. Step 5: Solve for x
   x = 13,669,524,744.24/123,508.47
6. Step 6: Final answer
   x = 110,676.82