Finding the Fourth Proportional to 37,817, 52,187.70 and 21,050.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,817 : 52,187.70 = 21,050.12 : x
2. Step 2: Convert to fraction form
   37,817/52,187.70 = 21,050.12/x
3. Step 3: Cross multiply
   37,817x = 52,187.70 × 21,050.12
4. Step 4: Simplify right side
   37,817x = 1,098,557,347.52
5. Step 5: Solve for x
   x = 1,098,557,347.52/37,817
6. Step 6: Final answer
   x = 29,049.30