Finding the Fourth Proportional to 456,083.76, 684,114.12 and 123,651.12

Step by Step Solution

1. Step 1: Write the proportion equation
   456,083.76 : 684,114.12 = 123,651.12 : x
2. Step 2: Convert to fraction form
   456,083.76/684,114.12 = 123,651.12/x
3. Step 3: Cross multiply
   456,083.76x = 684,114.12 × 123,651.12
4. Step 4: Simplify right side
   456,083.76x = 84,591,477,145.81
5. Step 5: Solve for x
   x = 84,591,477,145.81/456,083.76
6. Step 6: Final answer
   x = 185,473.56