Finding the Fourth Proportional to 55,641.25, 76,811.54 and 31,763.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,641.25 : 76,811.54 = 31,763.31 : x
2. Step 2: Convert to fraction form
   55,641.25/76,811.54 = 31,763.31/x
3. Step 3: Cross multiply
   55,641.25x = 76,811.54 × 31,763.31
4. Step 4: Simplify right side
   55,641.25x = 2,439,789,136.50
5. Step 5: Solve for x
   x = 2,439,789,136.50/55,641.25
6. Step 6: Final answer
   x = 43,848.56