Finding the Fourth Proportional to 37,591.85, 56,389.32 and 21,057.26

Step by Step Solution

1. Step 1: Write the proportion equation
   37,591.85 : 56,389.32 = 21,057.26 : x
2. Step 2: Convert to fraction form
   37,591.85/56,389.32 = 21,057.26/x
3. Step 3: Cross multiply
   37,591.85x = 56,389.32 × 21,057.26
4. Step 4: Simplify right side
   37,591.85x = 1,187,404,290.52
5. Step 5: Solve for x
   x = 1,187,404,290.52/37,591.85
6. Step 6: Final answer
   x = 31,586.75