Finding the Fourth Proportional to 37,171.61, 55,684.52 and 21,556.43

Step by Step Solution

1. Step 1: Write the proportion equation
   37,171.61 : 55,684.52 = 21,556.43 : x
2. Step 2: Convert to fraction form
   37,171.61/55,684.52 = 21,556.43/x
3. Step 3: Cross multiply
   37,171.61x = 55,684.52 × 21,556.43
4. Step 4: Simplify right side
   37,171.61x = 1,200,359,349.68
5. Step 5: Solve for x
   x = 1,200,359,349.68/37,171.61
6. Step 6: Final answer
   x = 32,292.37