Finding the Fourth Proportional to 81,471.09, 112,434.72 and 45,663.39

Step by Step Solution

1. Step 1: Write the proportion equation
   81,471.09 : 112,434.72 = 45,663.39 : x
2. Step 2: Convert to fraction form
   81,471.09/112,434.72 = 45,663.39/x
3. Step 3: Cross multiply
   81,471.09x = 112,434.72 × 45,663.39
4. Step 4: Simplify right side
   81,471.09x = 5,134,150,297.66
5. Step 5: Solve for x
   x = 5,134,150,297.66/81,471.09
6. Step 6: Final answer
   x = 63,018.06