Finding the Fourth Proportional to 81,649.56, 112,667.70 and 45,843.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,649.56 : 112,667.70 = 45,843.48 : x
2. Step 2: Convert to fraction form
   81,649.56/112,667.70 = 45,843.48/x
3. Step 3: Cross multiply
   81,649.56x = 112,667.70 × 45,843.48
4. Step 4: Simplify right side
   81,649.56x = 5,165,079,451.60
5. Step 5: Solve for x
   x = 5,165,079,451.60/81,649.56
6. Step 6: Final answer
   x = 63,259.12