Finding the Fourth Proportional to 81,738.72, 112,801.41 and 45,926.60

Step by Step Solution

1. Step 1: Write the proportion equation
   81,738.72 : 112,801.41 = 45,926.60 : x
2. Step 2: Convert to fraction form
   81,738.72/112,801.41 = 45,926.60/x
3. Step 3: Cross multiply
   81,738.72x = 112,801.41 × 45,926.60
4. Step 4: Simplify right side
   81,738.72x = 5,180,584,672.50
5. Step 5: Solve for x
   x = 5,180,584,672.50/81,738.72
6. Step 6: Final answer
   x = 63,379.81