Finding the Fourth Proportional to 81,648.05, 112,665.60 and 45,842.00

Step by Step Solution

1. Step 1: Write the proportion equation
   81,648.05 : 112,665.60 = 45,842.00 : x
2. Step 2: Convert to fraction form
   81,648.05/112,665.60 = 45,842.00/x
3. Step 3: Cross multiply
   81,648.05x = 112,665.60 × 45,842.00
4. Step 4: Simplify right side
   81,648.05x = 5,164,815,871.87
5. Step 5: Solve for x
   x = 5,164,815,871.87/81,648.05
6. Step 6: Final answer
   x = 63,257.07