Finding the Fourth Proportional to 55,784.04, 76,983.78 and 31,910.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,784.04 : 76,983.78 = 31,910.76 : x
2. Step 2: Convert to fraction form
   55,784.04/76,983.78 = 31,910.76/x
3. Step 3: Cross multiply
   55,784.04x = 76,983.78 × 31,910.76
4. Step 4: Simplify right side
   55,784.04x = 2,456,610,927.47
5. Step 5: Solve for x
   x = 2,456,610,927.47/55,784.04
6. Step 6: Final answer
   x = 44,037.88