Finding the Fourth Proportional to 123,910.17, 185,865.86 and 30,415.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,910.17 : 185,865.86 = 30,415.92 : x
2. Step 2: Convert to fraction form
   123,910.17/185,865.86 = 30,415.92/x
3. Step 3: Cross multiply
   123,910.17x = 185,865.86 × 30,415.92
4. Step 4: Simplify right side
   123,910.17x = 5,653,281,128.49
5. Step 5: Solve for x
   x = 5,653,281,128.49/123,910.17
6. Step 6: Final answer
   x = 45,624.03