Finding the Fourth Proportional to 37,687.52, 52,002.72 and 21,774.08

Step by Step Solution

1. Step 1: Write the proportion equation
   37,687.52 : 52,002.72 = 21,774.08 : x
2. Step 2: Convert to fraction form
   37,687.52/52,002.72 = 21,774.08/x
3. Step 3: Cross multiply
   37,687.52x = 52,002.72 × 21,774.08
4. Step 4: Simplify right side
   37,687.52x = 1,132,311,385.50
5. Step 5: Solve for x
   x = 1,132,311,385.50/37,687.52
6. Step 6: Final answer
   x = 30,044.73