Finding the Fourth Proportional to 81,703.76, 112,762.53 and 45,896.49

Step by Step Solution

1. Step 1: Write the proportion equation
   81,703.76 : 112,762.53 = 45,896.49 : x
2. Step 2: Convert to fraction form
   81,703.76/112,762.53 = 45,896.49/x
3. Step 3: Cross multiply
   81,703.76x = 112,762.53 × 45,896.49
4. Step 4: Simplify right side
   81,703.76x = 5,175,404,330.52
5. Step 5: Solve for x
   x = 5,175,404,330.52/81,703.76
6. Step 6: Final answer
   x = 63,343.53