Finding the Fourth Proportional to 73,100.31, 100,878.73 and 39,566.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,100.31 : 100,878.73 = 39,566.31 : x
2. Step 2: Convert to fraction form
   73,100.31/100,878.73 = 39,566.31/x
3. Step 3: Cross multiply
   73,100.31x = 100,878.73 × 39,566.31
4. Step 4: Simplify right side
   73,100.31x = 3,991,399,103.59
5. Step 5: Solve for x
   x = 3,991,399,103.59/73,100.31
6. Step 6: Final answer
   x = 54,601.67