Finding the Fourth Proportional to 37,869, 52,259.40 and 21,962.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,869 : 52,259.40 = 21,962.88 : x
2. Step 2: Convert to fraction form
   37,869/52,259.40 = 21,962.88/x
3. Step 3: Cross multiply
   37,869x = 52,259.40 × 21,962.88
4. Step 4: Simplify right side
   37,869x = 1,147,766,931.07
5. Step 5: Solve for x
   x = 1,147,766,931.07/37,869
6. Step 6: Final answer
   x = 30,308.88