Finding the Fourth Proportional to 37,068.21, 55,591.51 and 21,270.55

Step by Step Solution

1. Step 1: Write the proportion equation
   37,068.21 : 55,591.51 = 21,270.55 : x
2. Step 2: Convert to fraction form
   37,068.21/55,591.51 = 21,270.55/x
3. Step 3: Cross multiply
   37,068.21x = 55,591.51 × 21,270.55
4. Step 4: Simplify right side
   37,068.21x = 1,182,461,993.03
5. Step 5: Solve for x
   x = 1,182,461,993.03/37,068.21
6. Step 6: Final answer
   x = 31,899.62