Finding the Fourth Proportional to 81,369.36, 112,284.72 and 45,553.32

Step by Step Solution

1. Step 1: Write the proportion equation
   81,369.36 : 112,284.72 = 45,553.32 : x
2. Step 2: Convert to fraction form
   81,369.36/112,284.72 = 45,553.32/x
3. Step 3: Cross multiply
   81,369.36x = 112,284.72 × 45,553.32
4. Step 4: Simplify right side
   81,369.36x = 5,114,941,781.27
5. Step 5: Solve for x
   x = 5,114,941,781.27/81,369.36
6. Step 6: Final answer
   x = 62,860.78