Finding the Fourth Proportional to 81,789.63, 112,866.69 and 45,982.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,789.63 : 112,866.69 = 45,982.98 : x
2. Step 2: Convert to fraction form
   81,789.63/112,866.69 = 45,982.98/x
3. Step 3: Cross multiply
   81,789.63x = 112,866.69 × 45,982.98
4. Step 4: Simplify right side
   81,789.63x = 5,189,946,748.94
5. Step 5: Solve for x
   x = 5,189,946,748.94/81,789.63
6. Step 6: Final answer
   x = 63,454.83