Finding the Fourth Proportional to 81,356.56, 112,276.94 and 53,061.64

Step by Step Solution

1. Step 1: Write the proportion equation
   81,356.56 : 112,276.94 = 53,061.64 : x
2. Step 2: Convert to fraction form
   81,356.56/112,276.94 = 53,061.64/x
3. Step 3: Cross multiply
   81,356.56x = 112,276.94 × 53,061.64
4. Step 4: Simplify right side
   81,356.56x = 5,957,598,570.58
5. Step 5: Solve for x
   x = 5,957,598,570.58/81,356.56
6. Step 6: Final answer
   x = 73,228.25