Finding the Fourth Proportional to 37,697.94, 52,032.51 and 21,780.09

Step by Step Solution

1. Step 1: Write the proportion equation
   37,697.94 : 52,032.51 = 21,780.09 : x
2. Step 2: Convert to fraction form
   37,697.94/52,032.51 = 21,780.09/x
3. Step 3: Cross multiply
   37,697.94x = 52,032.51 × 21,780.09
4. Step 4: Simplify right side
   37,697.94x = 1,133,272,750.73
5. Step 5: Solve for x
   x = 1,133,272,750.73/37,697.94
6. Step 6: Final answer
   x = 30,061.93