Finding the Fourth Proportional to 50,925.39, 76,384.16 and 20,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,925.39 : 76,384.16 = 20,931.42 : x
2. Step 2: Convert to fraction form
   50,925.39/76,384.16 = 20,931.42/x
3. Step 3: Cross multiply
   50,925.39x = 76,384.16 × 20,931.42
4. Step 4: Simplify right side
   50,925.39x = 1,598,828,934.31
5. Step 5: Solve for x
   x = 1,598,828,934.31/50,925.39
6. Step 6: Final answer
   x = 31,395.52