Finding the Fourth Proportional to 37,783.98, 52,141.05 and 21,868.11

Step by Step Solution

1. Step 1: Write the proportion equation
   37,783.98 : 52,141.05 = 21,868.11 : x
2. Step 2: Convert to fraction form
   37,783.98/52,141.05 = 21,868.11/x
3. Step 3: Cross multiply
   37,783.98x = 52,141.05 × 21,868.11
4. Step 4: Simplify right side
   37,783.98x = 1,140,226,216.92
5. Step 5: Solve for x
   x = 1,140,226,216.92/37,783.98
6. Step 6: Final answer
   x = 30,177.50