Finding the Fourth Proportional to 74,185.27, 111,151.12 and 53,017.16

Step by Step Solution

1. Step 1: Write the proportion equation
   74,185.27 : 111,151.12 = 53,017.16 : x
2. Step 2: Convert to fraction form
   74,185.27/111,151.12 = 53,017.16/x
3. Step 3: Cross multiply
   74,185.27x = 111,151.12 × 53,017.16
4. Step 4: Simplify right side
   74,185.27x = 5,892,916,991.10
5. Step 5: Solve for x
   x = 5,892,916,991.10/74,185.27
6. Step 6: Final answer
   x = 79,435.14