Finding the Fourth Proportional to 55,710.72, 76,880.88 and 31,837.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,710.72 : 76,880.88 = 31,837.32 : x
2. Step 2: Convert to fraction form
   55,710.72/76,880.88 = 31,837.32/x
3. Step 3: Cross multiply
   55,710.72x = 76,880.88 × 31,837.32
4. Step 4: Simplify right side
   55,710.72x = 2,447,681,178.44
5. Step 5: Solve for x
   x = 2,447,681,178.44/55,710.72
6. Step 6: Final answer
   x = 43,935.55