Finding the Fourth Proportional to 50,946.61, 76,395.32 and 21,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,946.61 : 76,395.32 = 21,356.50 : x
2. Step 2: Convert to fraction form
   50,946.61/76,395.32 = 21,356.50/x
3. Step 3: Cross multiply
   50,946.61x = 76,395.32 × 21,356.50
4. Step 4: Simplify right side
   50,946.61x = 1,631,536,162.82
5. Step 5: Solve for x
   x = 1,631,536,162.82/50,946.61
6. Step 6: Final answer
   x = 32,024.43