Finding the Fourth Proportional to 81,333.50, 112,240.20 and 45,523.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,333.50 : 112,240.20 = 45,523.50 : x
2. Step 2: Convert to fraction form
   81,333.50/112,240.20 = 45,523.50/x
3. Step 3: Cross multiply
   81,333.50x = 112,240.20 × 45,523.50
4. Step 4: Simplify right side
   81,333.50x = 5,109,566,153.09
5. Step 5: Solve for x
   x = 5,109,566,153.09/81,333.50
6. Step 6: Final answer
   x = 62,822.41