Finding the Fourth Proportional to 81,362.06, 112,291.42 and 45,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,362.06 : 112,291.42 = 45,554.38 : x
2. Step 2: Convert to fraction form
   81,362.06/112,291.42 = 45,554.38/x
3. Step 3: Cross multiply
   81,362.06x = 112,291.42 × 45,554.38
4. Step 4: Simplify right side
   81,362.06x = 5,115,365,622.81
5. Step 5: Solve for x
   x = 5,115,365,622.81/81,362.06
6. Step 6: Final answer
   x = 62,871.63