Finding the Fourth Proportional to 81,659.99, 112,687.85 and 45,851.51

Step by Step Solution

1. Step 1: Write the proportion equation
   81,659.99 : 112,687.85 = 45,851.51 : x
2. Step 2: Convert to fraction form
   81,659.99/112,687.85 = 45,851.51/x
3. Step 3: Cross multiply
   81,659.99x = 112,687.85 × 45,851.51
4. Step 4: Simplify right side
   81,659.99x = 5,166,908,477.50
5. Step 5: Solve for x
   x = 5,166,908,477.50/81,659.99
6. Step 6: Final answer
   x = 63,273.44