Finding the Fourth Proportional to 81,514.81, 112,490.42 and 45,704.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,514.81 : 112,490.42 = 45,704.82 : x
2. Step 2: Convert to fraction form
   81,514.81/112,490.42 = 45,704.82/x
3. Step 3: Cross multiply
   81,514.81x = 112,490.42 × 45,704.82
4. Step 4: Simplify right side
   81,514.81x = 5,141,354,397.82
5. Step 5: Solve for x
   x = 5,141,354,397.82/81,514.81
6. Step 6: Final answer
   x = 63,072.64