Finding the Fourth Proportional to 123,999.72, 185,997.98 and 30,506.28

Step by Step Solution

1. Step 1: Write the proportion equation
   123,999.72 : 185,997.98 = 30,506.28 : x
2. Step 2: Convert to fraction form
   123,999.72/185,997.98 = 30,506.28/x
3. Step 3: Cross multiply
   123,999.72x = 185,997.98 × 30,506.28
4. Step 4: Simplify right side
   123,999.72x = 5,674,106,457.31
5. Step 5: Solve for x
   x = 5,674,106,457.31/123,999.72
6. Step 6: Final answer
   x = 45,759.03