Finding the Fourth Proportional to 81,453.63, 112,406.00 and 49,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,453.63 : 112,406.00 = 49,622.50 : x
2. Step 2: Convert to fraction form
   81,453.63/112,406.00 = 49,622.50/x
3. Step 3: Cross multiply
   81,453.63x = 112,406.00 × 49,622.50
4. Step 4: Simplify right side
   81,453.63x = 5,577,867,140.07
5. Step 5: Solve for x
   x = 5,577,867,140.07/81,453.63
6. Step 6: Final answer
   x = 68,479.05