Finding the Fourth Proportional to 81,274.71, 112,163.46 and 45,462.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,274.71 : 112,163.46 = 45,462.59 : x
2. Step 2: Convert to fraction form
   81,274.71/112,163.46 = 45,462.59/x
3. Step 3: Cross multiply
   81,274.71x = 112,163.46 × 45,462.59
4. Step 4: Simplify right side
   81,274.71x = 5,099,240,606.83
5. Step 5: Solve for x
   x = 5,099,240,606.83/81,274.71
6. Step 6: Final answer
   x = 62,740.80