Finding the Fourth Proportional to 123,457, 185,431.52 and 116,493.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,457 : 185,431.52 = 116,493.84 : x
2. Step 2: Convert to fraction form
   123,457/185,431.52 = 116,493.84/x
3. Step 3: Cross multiply
   123,457x = 185,431.52 × 116,493.84
4. Step 4: Simplify right side
   123,457x = 21,601,629,821.84
5. Step 5: Solve for x
   x = 21,601,629,821.84/123,457
6. Step 6: Final answer
   x = 174,972.90