Finding the Fourth Proportional to 123,646.80, 185,484.72 and 39,377.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123,646.80 : 185,484.72 = 39,377.46 : x
2. Step 2: Convert to fraction form
   123,646.80/185,484.72 = 39,377.46/x
3. Step 3: Cross multiply
   123,646.80x = 185,484.72 × 39,377.46
4. Step 4: Simplify right side
   123,646.80x = 7,303,917,142.41
5. Step 5: Solve for x
   x = 7,303,917,142.41/123,646.80
6. Step 6: Final answer
   x = 59,070.81