Finding the Fourth Proportional to 55,007.82, 75,908.83 and 31,133.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,007.82 : 75,908.83 = 31,133.98 : x
2. Step 2: Convert to fraction form
   55,007.82/75,908.83 = 31,133.98/x
3. Step 3: Cross multiply
   55,007.82x = 75,908.83 × 31,133.98
4. Step 4: Simplify right side
   55,007.82x = 2,363,344,070.47
5. Step 5: Solve for x
   x = 2,363,344,070.47/55,007.82
6. Step 6: Final answer
   x = 42,963.78