Finding the Fourth Proportional to 81,179.31, 112,023.30 and 45,362.34

Step by Step Solution

1. Step 1: Write the proportion equation
   81,179.31 : 112,023.30 = 45,362.34 : x
2. Step 2: Convert to fraction form
   81,179.31/112,023.30 = 45,362.34/x
3. Step 3: Cross multiply
   81,179.31x = 112,023.30 × 45,362.34
4. Step 4: Simplify right side
   81,179.31x = 5,081,639,022.52
5. Step 5: Solve for x
   x = 5,081,639,022.52/81,179.31
6. Step 6: Final answer
   x = 62,597.71