Finding the Fourth Proportional to 55,855.82, 77,084.52 and 31,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,855.82 : 77,084.52 = 31,981.88 : x
2. Step 2: Convert to fraction form
   55,855.82/77,084.52 = 31,981.88/x
3. Step 3: Cross multiply
   55,855.82x = 77,084.52 × 31,981.88
4. Step 4: Simplify right side
   55,855.82x = 2,465,307,868.50
5. Step 5: Solve for x
   x = 2,465,307,868.50/55,855.82
6. Step 6: Final answer
   x = 44,136.99