Finding the Fourth Proportional to 81,659.06, 112,680.78 and 45,853

Step by Step Solution

1. Step 1: Write the proportion equation
   81,659.06 : 112,680.78 = 45,853 : x
2. Step 2: Convert to fraction form
   81,659.06/112,680.78 = 45,853/x
3. Step 3: Cross multiply
   81,659.06x = 112,680.78 × 45,853
4. Step 4: Simplify right side
   81,659.06x = 5,166,751,805.34
5. Step 5: Solve for x
   x = 5,166,751,805.34/81,659.06
6. Step 6: Final answer
   x = 63,272.24