Finding the Fourth Proportional to 81,651.33, 112,684.41 and 45,357.03

Step by Step Solution

1. Step 1: Write the proportion equation
   81,651.33 : 112,684.41 = 45,357.03 : x
2. Step 2: Convert to fraction form
   81,651.33/112,684.41 = 45,357.03/x
3. Step 3: Cross multiply
   81,651.33x = 112,684.41 × 45,357.03
4. Step 4: Simplify right side
   81,651.33x = 5,111,030,164.90
5. Step 5: Solve for x
   x = 5,111,030,164.90/81,651.33
6. Step 6: Final answer
   x = 62,595.80