Finding the Fourth Proportional to 36,931.50, 55,360.35 and 34,151.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,931.50 : 55,360.35 = 34,151.31 : x
2. Step 2: Convert to fraction form
   36,931.50/55,360.35 = 34,151.31/x
3. Step 3: Cross multiply
   36,931.50x = 55,360.35 × 34,151.31
4. Step 4: Simplify right side
   36,931.50x = 1,890,628,474.56
5. Step 5: Solve for x
   x = 1,890,628,474.56/36,931.50
6. Step 6: Final answer
   x = 51,192.84