Finding the Fourth Proportional to 81,513.81, 112,489.04 and 45,703.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,513.81 : 112,489.04 = 45,703.82 : x
2. Step 2: Convert to fraction form
   81,513.81/112,489.04 = 45,703.82/x
3. Step 3: Cross multiply
   81,513.81x = 112,489.04 × 45,703.82
4. Step 4: Simplify right side
   81,513.81x = 5,141,179,231.61
5. Step 5: Solve for x
   x = 5,141,179,231.61/81,513.81
6. Step 6: Final answer
   x = 63,071.27