Finding the Fourth Proportional to 81,084.79, 111,897.23 and 45,276.09

Step by Step Solution

1. Step 1: Write the proportion equation
   81,084.79 : 111,897.23 = 45,276.09 : x
2. Step 2: Convert to fraction form
   81,084.79/111,897.23 = 45,276.09/x
3. Step 3: Cross multiply
   81,084.79x = 111,897.23 × 45,276.09
4. Step 4: Simplify right side
   81,084.79x = 5,066,269,056.23
5. Step 5: Solve for x
   x = 5,066,269,056.23/81,084.79
6. Step 6: Final answer
   x = 62,481.13