Finding the Fourth Proportional to 81,649.05, 112,666.98 and 45,843

Step by Step Solution

1. Step 1: Write the proportion equation
   81,649.05 : 112,666.98 = 45,843 : x
2. Step 2: Convert to fraction form
   81,649.05/112,666.98 = 45,843/x
3. Step 3: Cross multiply
   81,649.05x = 112,666.98 × 45,843
4. Step 4: Simplify right side
   81,649.05x = 5,164,992,364.14
5. Step 5: Solve for x
   x = 5,164,992,364.14/81,649.05
6. Step 6: Final answer
   x = 63,258.45