Finding the Fourth Proportional to 123,499.32, 185,249.43 and 30,005.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,499.32 : 185,249.43 = 30,005.07 : x
2. Step 2: Convert to fraction form
   123,499.32/185,249.43 = 30,005.07/x
3. Step 3: Cross multiply
   123,499.32x = 185,249.43 × 30,005.07
4. Step 4: Simplify right side
   123,499.32x = 5,558,422,114.61
5. Step 5: Solve for x
   x = 5,558,422,114.61/123,499.32
6. Step 6: Final answer
   x = 45,007.71