Finding the Fourth Proportional to 81,227.49, 112,093.57 and 45,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,227.49 : 112,093.57 = 45,417.50 : x
2. Step 2: Convert to fraction form
   81,227.49/112,093.57 = 45,417.50/x
3. Step 3: Cross multiply
   81,227.49x = 112,093.57 × 45,417.50
4. Step 4: Simplify right side
   81,227.49x = 5,091,009,715.48
5. Step 5: Solve for x
   x = 5,091,009,715.48/81,227.49
6. Step 6: Final answer
   x = 62,675.95