Finding the Fourth Proportional to 37,808.52, 52,173.54 and 21,891.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,808.52 : 52,173.54 = 21,891.84 : x
2. Step 2: Convert to fraction form
   37,808.52/52,173.54 = 21,891.84/x
3. Step 3: Cross multiply
   37,808.52x = 52,173.54 × 21,891.84
4. Step 4: Simplify right side
   37,808.52x = 1,142,174,789.91
5. Step 5: Solve for x
   x = 1,142,174,789.91/37,808.52
6. Step 6: Final answer
   x = 30,209.46