Finding the Fourth Proportional to 55,677.38, 76,816.71 and 31,476

Step by Step Solution

1. Step 1: Write the proportion equation
   55,677.38 : 76,816.71 = 31,476 : x
2. Step 2: Convert to fraction form
   55,677.38/76,816.71 = 31,476/x
3. Step 3: Cross multiply
   55,677.38x = 76,816.71 × 31,476
4. Step 4: Simplify right side
   55,677.38x = 2,417,882,763.96
5. Step 5: Solve for x
   x = 2,417,882,763.96/55,677.38
6. Step 6: Final answer
   x = 43,426.67