Finding the Fourth Proportional to 81,498.24, 112,467.96 and 45,689.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,498.24 : 112,467.96 = 45,689.76 : x
2. Step 2: Convert to fraction form
   81,498.24/112,467.96 = 45,689.76/x
3. Step 3: Cross multiply
   81,498.24x = 112,467.96 × 45,689.76
4. Step 4: Simplify right side
   81,498.24x = 5,138,634,100.09
5. Step 5: Solve for x
   x = 5,138,634,100.09/81,498.24
6. Step 6: Final answer
   x = 63,052.09