Finding the Fourth Proportional to 81,453.13, 112,405.31 and 49,622.00

Step by Step Solution

1. Step 1: Write the proportion equation
   81,453.13 : 112,405.31 = 49,622.00 : x
2. Step 2: Convert to fraction form
   81,453.13/112,405.31 = 49,622.00/x
3. Step 3: Cross multiply
   81,453.13x = 112,405.31 × 49,622.00
4. Step 4: Simplify right side
   81,453.13x = 5,577,776,697.89
5. Step 5: Solve for x
   x = 5,577,776,697.89/81,453.13
6. Step 6: Final answer
   x = 68,478.36