Finding the Fourth Proportional to 37,649.55, 56,456.15 and 21,858.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,649.55 : 56,456.15 = 21,858.56 : x
2. Step 2: Convert to fraction form
   37,649.55/56,456.15 = 21,858.56/x
3. Step 3: Cross multiply
   37,649.55x = 56,456.15 × 21,858.56
4. Step 4: Simplify right side
   37,649.55x = 1,234,050,142.14
5. Step 5: Solve for x
   x = 1,234,050,142.14/37,649.55
6. Step 6: Final answer
   x = 32,777.29