Finding the Fourth Proportional to 37,870.49, 52,261.33 and 21,964.19

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.49 : 52,261.33 = 21,964.19 : x
2. Step 2: Convert to fraction form
   37,870.49/52,261.33 = 21,964.19/x
3. Step 3: Cross multiply
   37,870.49x = 52,261.33 × 21,964.19
4. Step 4: Simplify right side
   37,870.49x = 1,147,877,465.56
5. Step 5: Solve for x
   x = 1,147,877,465.56/37,870.49
6. Step 6: Final answer
   x = 30,310.61