Finding the Fourth Proportional to 123,505.47, 185,506.20 and 73,682.78

Step by Step Solution

1. Step 1: Write the proportion equation
   123,505.47 : 185,506.20 = 73,682.78 : x
2. Step 2: Convert to fraction form
   123,505.47/185,506.20 = 73,682.78/x
3. Step 3: Cross multiply
   123,505.47x = 185,506.20 × 73,682.78
4. Step 4: Simplify right side
   123,505.47x = 13,668,611,595.71
5. Step 5: Solve for x
   x = 13,668,611,595.71/123,505.47
6. Step 6: Final answer
   x = 110,672.12