Finding the Fourth Proportional to 37,517.31, 51,771.87 and 21,384.54

Step by Step Solution

1. Step 1: Write the proportion equation
   37,517.31 : 51,771.87 = 21,384.54 : x
2. Step 2: Convert to fraction form
   37,517.31/51,771.87 = 21,384.54/x
3. Step 3: Cross multiply
   37,517.31x = 51,771.87 × 21,384.54
4. Step 4: Simplify right side
   37,517.31x = 1,107,117,624.89
5. Step 5: Solve for x
   x = 1,107,117,624.89/37,517.31
6. Step 6: Final answer
   x = 29,509.52