Finding the Fourth Proportional to 37,870.22, 52,261.12 and 21,964.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.22 : 52,261.12 = 21,964.12 : x
2. Step 2: Convert to fraction form
   37,870.22/52,261.12 = 21,964.12/x
3. Step 3: Cross multiply
   37,870.22x = 52,261.12 × 21,964.12
4. Step 4: Simplify right side
   37,870.22x = 1,147,869,511.01
5. Step 5: Solve for x
   x = 1,147,869,511.01/37,870.22
6. Step 6: Final answer
   x = 30,310.61